Online Encyclopedia of Silver Marks, Hallmarks & Makers' Marks
www.925-1000.com925-1000.com is the most extensive internet resource for research of Silver Marks, Hallmarks, Trademarks & Maker's Marks found on Antique and Vintage silver. The site's main focus is the silver markings used on vintage and antique sterling and coin silver, for those of you interested in silverplate trademarks, we have now added a large section ...
Silver Identification Guide – Kovels
www.kovels.com › marks-identification-guideThe words quadruple, triple, double, EPNS, and EPWM indicate that the ware is silver plated. “800” is usually found on continental silver. If a piece is not American, refer to the sources about English or Continental silver. If it seems to be American, this dictionary will help. The earliest silversmiths in the colonies used their initials.