Jewelry stamps and hallmarks: type what it says
Look up a stamp
Type the letters and numbers as they appear, or a UK date letter with its office, for example k London.
Gold stamps
Silver stamps
Platinum and palladium
Numbers used for several metals
Plated, filled and rolled
No precious metal
Stamps with a country mark
Hallmark symbols and UK date letters
Hallmark symbols such as the lion passant and the anchor, and the UK date letters by assay office.
Frequently asked
How do I read the stamp on my jewelry?
Type exactly what is stamped (for example 585, 925, 14K or GF) into the search. The tool says what the stamp claims, which standard it belongs to and where the claim stops. A stamp is a statement, not proof.
What does 925 mean on jewelry?
It is sterling silver: 925 parts per thousand silver, 92.5 %.
What does 585 mean on jewelry?
585 parts per thousand gold, 14 karat.