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level: Hallmarking

Questions and Answers List

Question	Answer
What is the name of the place where jewellery is hallmarked?	Assay office
Where are the 4 main Assay offices in the UK?	London, Birmingham, Sheffield and Edinburgh
What is the assay mark for the London assay office?	Leopard Head
What is the assay mark for the Birmingham assay office?	Anchor
What is the assay mark for the Sheffield assay office?	Rose
What is the assay mark for the Edinburgh assay office?	Castle
What is the name of the mark created by the maker of a piece of jewellery?	Sponsor
What does numerical mark, such as '375' on 9ct gold, show?	Fineness
What does the optional mark seen on some jewellery, in the form of a letter, represent?	Date
What is the name of the set of hallmarks struck on any item that is produced for export or imported?	Convention mark
What weight does an item of gold need to be over for it to legally require a hallmark?	1 gram
What weight does an item of platinum need to be over for it to legally require a hallmark?	0.5 grams
What weight does an item of silver need to be over for it to legally require a hallmark?	7.78 grams