Hallmark Images for Purity, Gold, Silver and Platinum to print and save. It's so annoying when you see hallmarks and can't work out what they mean, so here's my answer which is a copy of a card I carry around...
THE IMPORTANCE OF CORRECT HALLMARKS! All British items made gold and silver items should carry the proper assay office hallmarks as many items that are just struck with 9k are liable to be all that glitters...
GUARANTEEING THE QUALITY OF PRECIOUS METALS SINCE 1327 The purpose of this document is to give practical guidance in relation to Hallmarking matters. The UK Assay Offices are happy to answer questions arising...