Information from the Assay Offices of Great Britain 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...
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...