Discover how to identify English hallmarks on vintage rings 💍 The history of hallmarking in the U.K. began in the 1200s under King Henry III, and was further refined in 1300 by King Edward I. Hallmarking became compulsory in the mid-1300s, and has allowed historians and collectors to identify goods such as jewelry, trinkets and silverware throughout the centuries. Today, hallmarks serve as a trusted guide for collectors and jewelry connoisseurs alike, confirming a piece’s authenticity, purity,