1. Home
  2. > Gold Stamp Mill Usa

Gold Stamp Mill Usa

Guide to Stamps and Inscriptions on Gold Jewelry 24 comments. Authentic gold jewelry should have a stamp to indicate the purity of the gold in the piece. This mark can be in several different formats. For example 585, 14kt and 14K all mean 14 karat gold. All of these formats are easy to understand, except possibly the 3 digit number format.

Get Price