Fifty pence (British coin)

The British decimal fifty pence (50p) coin – often informally pronounced fifty pee – is a unit of currency equalling one half of a pound sterling. It is a seven-sided coin formed as an equilateral-curve heptagon,[1] or Reuleaux polygon, a curve of constant width, meaning that the diameter is constant across any bisection. Its obverse has featured the profile of Queen Elizabeth II since the coin's introduction in 1969. Four different portraits of the Queen have been used, with the latest design by Jody Clark being introduced in 2015. The second and current reverse, featuring a segment of the Royal Shield, was introduced in 2008.

Fifty pence
United Kingdom
Value0.50 pound sterling
Mass(1969–1994) 13.5 g
(1997–present) 8.0 g
Diameter(1969–1994) 30.0 mm
(1997–present) 27.3 mm
Thickness1.78 mm
EdgePlain
CompositionCupro-nickel
Years of minting1969–present
Obverse
DesignQueen Elizabeth II
DesignerJody Clark
Design date2015
Reverse
DesignSegment of the Royal Shield
DesignerMatthew Dent
Design date2008

As of March 2014 there were an estimated 948 million 50p coins in circulation.[2]

50p coins are legal tender for amounts up to the sum of £10 when offered in repayment of a debt; however, the coin's legal tender status is not normally relevant for everyday transactions.

Design

In 1967 the Deputy Master of the Royal Mint approached the Decimal Currency Board to ask for their advice on the introduction of a new coin. The 10 shilling note then in use was lasting only five months and it had been suggested that a coin, which could last fifty years, would be more economical. The problem with this was that all coins are arranged in "tiers", each coin in a tier having the same weight-to-value ratio so that a bag of mixed coins could be weighed to ascertain the value so long as they were all bronze, all silver, etc. Each coin was identified within its tier by its size and each tier had to be capable of being identified by sight and touch. This was achieved in the then existing sets by the use of different materials ("bronze", "brass" and "silver") with the bronze coins having plain rims, the nickel-brass threepenny bit being 12-sided and the silver coins having milled rims. If the 10-shilling coin was to be made in the same tier as the silver coins it would have to be twice the weight of the Crown (then and now only in use for commemorative pieces) and it was generally agreed that that would make it very unpopular and expensive. It would therefore have to be in a new tier of its own.

The Mint could not find a suitable metal which was sufficiently different in colour to the existing coins and which would not tarnish. This last point was thought to be important because the new coin would be the most valuable coin in general circulation in the world (about £8.40 in today's values). It therefore had to be a different shape; various methods had been used overseas to overcome this problem but none were without drawbacks. A hole through the coin did unacceptable things to the Queen's head (a legal requirement on British coins), and wavy-edged, flat-edged or square coins could not be used in the coin-handling machinery which was then coming into increasing use in industry, banking and vending. To be used in a vending or sorting machine a coin would have to roll under gravity and be capable of being measured without being presented in a special way, in other words it needed a constant breadth at whichever angle it was measured.

The Technical Member (and the only engineer) on the Decimal Currency Board was Hugh Conway, at that time President of the Institution of Mechanical Engineers and Managing Director of Bristol Siddeley Engines, Bristol. He had found in a mathematical textbook a formula for a non-circular shape of constant breadth and asked the design office at Patchway, near Bristol, which normally worked on the engines for aircraft such as Concorde, Vulcan and Harrier to draw out the shape. However, this turned out to be a wavy-edged form with re-entrant sides which would not roll and which could not be measured easily. A designer, Colin Lewis, suggested a much simpler shape which in its basic form is an equilateral triangle with a small circle centred on each apex and with a larger circular arc centred on each apex but tangential to each of the two opposite small circles. Wherever it was measured, the breadth of this shape was one small radius plus one large radius. (The small radius was not strictly necessary to the geometry, but made the shape more practical by removing inconvenient sharp points and reducing the rate of wear, and therefore change of size, in handling). The number of corners could be any odd number greater than one. A drawing was made to illustrate the proposal which was accepted by Hugh Conway. He chose seven sides as a compromise between too radical a shape, which might not be acceptable to the public, and having too many sides, which would make a shape visually difficult to differentiate from a circle. The shape was drawn out by Dave Brown and samples made from stainless steel by the Model Shop, together with a section of perspex channel with a bend to demonstrate that the "coin" would roll around corners and drop through gauging slots. The legend "50" was photo-etched (from a master drawn by Ray Gooding) on the faces of the samples since it had already been decided that the new coin would be the first coin of the new Decimal series.

When the Decimal Currency Board met none of the other members had any suggestion to make, so when the samples were produced the idea was accepted without opposition.

The shape of the original 50p coin has been copied all over the world (with 3, 7, 9 and 11 sides) and the new 20p coin was made in the same shape when it was introduced in 1982.

Standard reverse: 1982–2008

The original reverse of the coin, designed by Christopher Ironside, and used from 1969 to 2008, is a seated Britannia alongside a lion, holding an olive branch in her left hand and a trident in her right, accompanied by either NEW PENCE (1969–1981) or FIFTY PENCE (1982–2008) above Britannia, with the numeral 50 underneath the seated figure.

To date, three different obverses have been used. In all cases, the inscription is ELIZABETH II D.G.REG.F.D. 2013,[3] where 2013 is replaced by the year of minting; the Benjamin Britten coin (2013) additionally has the denomination, FIFTY PENCE, on the obverse, before the year (as the commemorative obverse omits the denomination entirely).[4]

As with all new decimal currency, until 1984 the portrait of Queen Elizabeth II by Arnold Machin appeared on the obverse,[5] in which the Queen wears the 'Girls of Great Britain and Ireland' Tiara.

Between 1985 and 1997 the portrait by Raphael Maklouf was used,[5] in which the Queen wears the George IV State Diadem.

In 1997 the 50p coin was reduced in both diameter and thickness and the older coins were removed from circulation. The new coin was introduced on 1 September 1997. The old larger coin was withdrawn on 28 February 1998. The design remained unchanged.[6]

From 1998 to 2015 the portrait by Ian Rank-Broadley has been used,[5] again featuring the tiara, with a signature-mark IRB below the portrait. In 2008 the obverse design was rotated slightly, to match the new reverse design which is displayed with the heptagon point down rather than point up.

As of June 2015, coins bearing the portrait by Jody Clark have been seen in circulation.

In August 2005 the Royal Mint launched a competition to find new reverse designs for all circulating coins apart from the £2 coin.[7] The winner, announced in April 2008, was Matthew Dent, whose designs were gradually introduced into the circulating British coinage from mid-2008.[8] The designs for the 1p, 2p, 5p, 10p, 20p and 50p coins depict sections of the Royal Shield that form the whole shield when placed together. The shield in its entirety was featured on the now-obsolete round £1 coin. The 50p coin depicts the lowest point of the Royal Shield, with the words FIFTY PENCE below the point of the shield. The coin's obverse remains unchanged. This coin is an example of a shape of constant width. Shapes of constant width are shapes that have constant width but are not circular.[9]

Variations

In addition to the standard designs there have been several variant reverse designs used on the 50p coin to commemorate important events.[10] These are summarised in the table below.

YearEventDesignDesignerMintage[11]
1973United Kingdom's accession to the European Economic CommunityThe inscription "50 PENCE" and the date of the year, surrounded by nine hands, symbolising the nine members of the Community, clasping one another in a mutual gesture of trust, assistance and friendship.David Wynne89,775,000
1992–93United Kingdom's Presidency of the Council of Ministers and the completion of the Single European MarketA representation of a table on which are placed twelve stars, linked by a network of lines to each other and also to twelve chairs around the table, on one of which appear the letters "UK", and with the dates "1992" and "1993" above and the value "50 PENCE" below.Mary Milner Dickens109,000
199450th Anniversary of the D-Day LandingsA design representing the Allied invasion force heading for Normandy and filling the sea and sky, together with the value "50 PENCE". this was the last commemorative coin in the original (larger) size.John Mills6,705,520
1998United Kingdom's Presidency of the European Union, and the 25th Anniversary of the United Kingdom's accession to the European Economic Community A celebratory arrangement of stars with the letters "EU" between the Anniversary dates "1973" and "1998", and the value 50 PENCE below.John Mills5,043,000
199850th Anniversary of the National Health Service A pair of hands set against a pattern of radiating lines with the words "FIFTIETH ANNIVERSARY" and the value "50 PENCE", accompanied by the initials "NHS" which appear five times on the outer border.David Cornell5,001,000
2000150th Anniversary of the Public Libraries Act 1850 The turning pages of a book, the Anniversary dates "1850" and "2000", and the value "50 PENCE", all above a classical library building on which appear the words "PUBLIC LIBRARIES" and, within the pediment, representations of compact discs.Mary Milner Dickens11,263,000
2003100th Anniversary of the formation of the Women's Social and Political Union The figure of a suffragette chained to railings and holding a banner on which appear the letters WSPU, to the right a ballot paper marked with a cross and the words GIVE WOMEN THE VOTE, to the left the value 50 PENCE, and below and to the far right the Anniversary dates 1903 and 2003.Mary Milner Dickens3,124,030
200450th Anniversary of the first four-minute mile by Roger Bannister The legs of a running athlete with a stylised stopwatch in the background and the value 50 PENCE below.James Butler9,032,500
2005250th Anniversary of Samuel Johnson's Dictionary of the English Language Entries from the Dictionary for the words FIFTY and PENCE, with the figure 50 above, and the inscription JOHNSON'S DICTIONARY 1755 below.Tom Phillips17,649,000
2006150th Anniversary of the institution of the Victoria Cross 1 Depiction of the obverse and reverse of a Victoria Cross with the date 29 JAN 1856 in the centre of the reverse of the Cross, the letters VC to the right and the value FIFTY PENCE below.Claire Aldridge12,087,000
2006150th Anniversary of the institution of the Victoria Cross 2 Depiction of a soldier carrying a wounded comrade with an outline of the Victoria Cross surrounded by a sunburst effect in the background.Clive Duncan10,000,500
2007Centenary of the Foundation of the Scouting Movement A fleur-de-lis superimposed over a globe and surrounded by the inscription "BE PREPARED", the dates "1907" and "2007", and the denomination "FIFTY PENCE".Kerry Jones7,710,750
2009250th anniversary of the foundation of the Royal Botanic Gardens, Kew A design showing the pagoda encircled by a vine and accompanied by the dates "1759" and "2009", with the word "KEW" at the base of the pagoda.Christopher Le Brun210,000
2010Celebrating 100 Years of Girlguiding UK A hexagon made of six of the shamrock symbols of Girlguiding surrounded by the words "Celebrating 100 years of Girlguiding UK".Jonathan Evans and Donna Hainan7,410,090
2011Celebrating 50 years of the work of the World Wide Fund for Nature (WWF) Fifty small symbols showing the range of work of the WWF.Matthew Dent3,400,000
2011London 2012 Several designs featuring swimmers, cyclists and athletes
2013Celebrating the 100th Anniversary of the birth of Christopher Ironside The design which Ironside made for the 50p coin, showing the Coat of arms of the United Kingdom.Christopher Ironside7,000,000
2013Celebrating the 100th Anniversary of the birth of Benjamin Britten The composer's name, written across musical bars, value is on the obverse for the first time.Tom Phillips5,300,000
20142014 Commonwealth Games in Glasgow A cyclist and a runner, separated by the Flag of Scotland.Alex Loudon and Dan Flashman6,500,000
2015 75th Anniversary of the Battle of Britain Pilots running to their planes while planes fly above them. Gary Breeze 5,900,000
2016 Team GB A swimmer with the Team GB logo for the 2016 Summer Olympics. Tim Sharp 6,400,000
2016 Battle of Hastings King Harold hit in the eye with an arrow, a detail from the Bayeux Tapestry. John Bergdahl 6,700,000
2016 150th Anniversary of the birth of Beatrix Potter A portrait of Beatrix Potter above along with her name, dates of her birth and death (1866–1943) and Peter Rabbit. Emma Noble 6,900,000
2016 150th Anniversary of the birth of Beatrix Potter: Peter Rabbit An image of Peter Rabbit and his name. Emma Noble 9,600,000
2016 150th Anniversary of the birth of Beatrix Potter: Mrs. Tiggy-Winkle An image of Mrs. Tiggy-Winkle and her name. Emma Noble 8,800,000
2016 150th Anniversary of the birth of Beatrix Potter: Squirrel Nutkin An image of Squirrel Nutkin and his name. Emma Noble 5,000,000
2016 150th Anniversary of the birth of Beatrix Potter: Jemima Puddle-Duck An image of Jemima Puddle-Duck and her name. Emma Noble 2,100,000
2017 300th Anniversary of Sir Isaac Newton's Gold-Standard Report Stylised depiction of The Sun as the common focal point of three orbits of different planets. Aaron West 1,801,500
2017 Beatrix Potter: Peter Rabbit An image of Peter Rabbit and the words "The Tale of Peter Rabbit". Emma Noble 19,900,000
2017 Beatrix Potter: Mr. Jeremy Fisher An image of Mr. Jeremy Fisher (a frog) and his name (June 2017). Emma Noble 9,900,000
2017 Beatrix Potter: Tom Kitten An image of Tom Kitten and his name (August 2017). Emma Noble 9,500,000
2017 Beatrix Potter: Benjamin Bunny An image of Benjamin Bunny and his name (September 2017). Emma Noble 25,000,000
2018 100th Anniversary of the Representation of the People Act An image of a crowd of voters, representing the change in suffrage triggered by the law. Stephen Taylor 9,000,000
2018 60th Anniversary of the publication of the first Paddington children's story book.[12] An image of Paddington Bear sitting inside Paddington Station. David Knapton 5,001,000
2018 60th Anniversary of the publication of the first Paddington children's story book. An image of Paddington Bear holding the Union Flag while standing in front of Buckingham Palace. David Knapton 5,901,000
2018 Beatrix Potter: Peter Rabbit An image of Peter Rabbit in his blue jacket and eating carrots and his name. Emma Noble 1,400,000
2018 Beatrix Potter: Flopsy Bunny An image of Flopsy Bunny in her recognisable red cape and her name. Emma Noble 1,400,000
2018 Beatrix Potter: The Tailor of Gloucester An image of The Tailor of Gloucester a mouse sitting on a reel of thread, reading a newspaper and the words "The Tailor of Gloucester". Emma Noble 3,900,000
2018 Beatrix Potter: Mrs Tittlemouse An image of Mrs Tittlemouse the houseproud little mouse carrying her basket and her name above the image. Emma Noble 1,700,000
2019 Sherlock Holmes An image of Sherlock Holmes surrounded by the names of all the Sherlock Holmes Books. Stephen Raw Unknown
2019 Paddington at The Tower of London An image of Paddington Bear holding a marmalade sandwich whilst standing outside Tower of London. David Knapton Unknown
2019 Paddington at St Paul's Cathedral An image of Paddington Bear raising his hat in front of St Paul's Cathedral. David Knapton Unknown
2020 Withdrawal of the United Kingdom from the European Union The slogan "Peace, prosperity and friendship with all nations" in a calligraphic font, and the date "31 January 2020." (About a million coins bearing the date "31 October 2019" had to be shredded and melted down.[13][14] Another version, bearing the date "29 March 2019", was planned for release, but was not issued). The slogan does not use the Oxford comma which has drawn criticism.[15] Unknown 10 million

There are also 29 different variants not listed here which were minted in 2011 in celebration of the 2012 Summer Olympics.[16]

The following coins were produced by the Royal Mint as commemorative releases only, without being released into circulation:

YearEventDesignDesignerMintage
2018 40th anniversary of The Snowman An image of The Snowman holding James' hand while flying over the snowing village by the sea. Natasha Ratcliffe Unlimited
2019 The Snowman An image of The Snowman standing behind James, they are both in front of a mountainous landscape. Snowman Enterprises Unlimited
2019 50 years of the 50 pence coin – British Culture Set A re-issue of five of the most iconic designs – Christopher Ironside's original Britannia (1969), first sub-four-minute mile (2004), Scouting (2007), Kew Gardens (2009), Girl Guides (2010). All have the current version of the Queen's image and the year 2019 on the obverse. Various Unknown
2019 50 years of the 50 pence coin – British Military Set A re-issue of five military designs – D-Day Landings (1994), Victoria Cross 1 (2006), Victoria Cross 2 (2006), Battle of Britain (2015), Battle of Hastings (2016). All have the current version of the Queen's image and the year 2019 on the obverse. Various Unknown
2019 Honours physicist Stephen Hawking[17] An image of a Black Hole and Hawking's formula describing the entropy of a black hole. Edwina Ellis Unknown
2019 The Gruffalo An image of the Gruffalo, celebrating 20 years since the publication of the children's storybook of the same name written by Julia Donaldson. Magic Light Pictures Unknown
2019 The Gruffalo and Mouse An image of the Gruffalo and the mouse, second coin celebrating 20 years since the publication of the children's storybook The Gruffalo written by Julia Donaldson. Magic Light Pictures Unknown
2019 Wallace and Gromit An image of the Wallace and Gromit looking out of the porthole of their rocket, celebrating 30 years since the release of "A Grand Day Out". Nick Park Unknown
2020 The Dinosauria Collection Recognising the British discovery of dinosaurs with images of the Megalosaurus, Iguanodon and Hylaeosaurus Robert Nichols Unknown
2020 Honours chemist Rosalind Franklin[18] An image of Photo 51. David Knapton Unknown

50p coins are legal tender for amounts up to and including £10.[19][20] However, in the UK, "legal tender" has a very specific and narrow meaning which relates only to the repayment of debt to a creditor, not to everyday shopping or other transactions.[21] Specifically, coins of particular denominations are said to be "legal tender" when a creditor must by law accept them in redemption of a debt.[22] The term does not mean - as is often thought - that a shopkeeper has to accept a particular type of currency in payment.[21] A shopkeeper is under no obligation to accept any specific type of payment, whether legal tender or not; conversely they have the discretion to accept any payment type they wish.[20]

Mintages
gollark: You know, in a sense, god is uncool.
gollark: For a regular 3D esolang.
gollark: I'm looking at doing the image sequence thing.
gollark: I do like the idea of an image-sequence-based esolang, and also the incomprehensible geometry one, but I doubt you could merge them easily.
gollark: Oh, stupider idea: an esolang which interprets images, but it takes image sequences, but the image sequences are supplied as lossily compressed video files.

References
  1. "The seven sides of a 50p coin". www.royalmint.com.
  2. "Mintage Figures". Royal Mint. Retrieved 28 December 2015.
  3. Clayton, Tony. "Decimal Coins of the UK – Bronze". Retrieved 24 May 2006.
  4. "The 100th Anniversary of the Birth of Benjamin Britten 2013 UK 50p Coin". The Royal Mint. Retrieved 21 May 2014.
  5. "1p Coin". British Royal Mint. Archived from the original on 27 April 2006. Retrieved 23 May 2006.
  6. "Old-style 50p pieces withdrawn". BBC. 27 February 1998. Retrieved 30 September 2017.
  7. "Royal Mint seeks new coin designs", BBC News, 17 August 2005
  8. "Royal Mint unveils new UK coins". 2 April 2008. Archived from the original on 7 March 2009.
  9. Mathematical Explorations with MATLAB at Google Books. Retrieved 31 January 2014.
  10. "Fifty Pence Coin". Royal Mint. Retrieved 7 December 2016.
  11. Fifty Pence Mintage Figures (50p), Royal Mint
  12. https://www.bbc.co.uk/news/business-49331042
  13. "Brexit 50p coins to be 'recycled' after PM accepts extension - BBC News".
  14. Association, Press (26 January 2020). "Chancellor unveils new commemorative Brexit 50 pence coin".
  15. Furness, Hannah (27 January 2020). "Author calls for Brexit coin 'boycott' over lack of Oxford comma". The Telegraph. Archived from the original on 27 January 2020.
  16. London 2012 coin designs and specifications, Royal Mint. Retrieved 2014-05-08.
  17. McRae, Mike (13 March 2019). "UK Put a Black Hole on a 50p Coin to Honour Stephen Hawking, And It Looks Stunning". ScienceAlert.com. Retrieved 13 March 2019.
  18. Young, Sarah (20 July 2020). "Rosalind Franklin: Royal Mint launches coin to mark 100th birthday of British scientist". Independent.co.uk. Retrieved 23 July 2020.
  19. "Coinage Act: Section 2", legislation.gov.uk, The National Archives, 1971 c. 24 (s. 2)
  20. "What are the legal tender amounts acceptable for UK coins?". The Royal Mint. Retrieved 9 April 2020.
  21. "What is legal tender?". Bank of England. Retrieved 5 May 2019.
  22. "Legal tender". Collins. Retrieved 9 April 2020.
  23. "Fifty Pence 1969–1997 Large Sized". Check Your Change. Retrieved 6 August 2017.
Preceded by
Ten shilling note		 Fifty pence coin
1969 – present		 Succeeded by
Incumbent
  1. https://en.numista.com/catalogue/pieces39976.html
  2. https://www.ngccoin.com/price-guide/world/ireland-5-pence-token-km-tn2-1805-1806-5-cuid-1125489-duid-1473001
  3. https://en.numista.com/catalogue/pieces38388.html
  4. http://www.irishcoinage.com/J00078.HTM
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