Factory mark

A factory mark is a symbolic marking affixed by manufacturers on their productions in order to authenticate them. Numerous factory marks are known throughout the ages, and are essential in determining the provenance or dating of productions.

20th-century Jingdezhen ware, with factory mark: 中国景德镇 ("China Jingdezhen") and MADE IN CHINA in English

Porcelain

Factory marks are essential in the area of porcelain production especially, where they are sometimes also called "backstamps", and where their absence would make authentication much more difficult.[1][2]

Notes

  1. Barber, Edwin Atlee (11 December 2016). "Artificial Soft Paste Porcelain - France, Italy, Spain and England". Read Books. Retrieved 11 December 2016 via Google Books.
gollark: I agree.
gollark: At least it's not centrally planned; central planning is <:bees:724389994663247974> <:bees:724389994663247974> <:bees:724389994663247974>.
gollark: Capitalism's not stupid, although the current implementation of it is... quite problematic and needs fixing.
gollark: Well, "direct self-interest", I suppose, not wanting a stupid economic system is partly for self-interest reasons too.
gollark: > <@!258639553357676545> I KNEW IT! You only hate communism because you are burgeois scum and fear losing your social standing!<@!330678593904443393> There's probably some self-interest. But I also don't want an economic system which is insanely stupid.
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