1977 Birmingham Hallmarked Silver Ingot Pendant A silver ingot pendant on a chain, featuring hallmarks including the letters DH, a lion, an anchor, a letter, and a profile head. What is a British Hallmark? ｜什麼是英國銀飾印記？ A British hallmark is an official set of stamps guaranteeing metal purity, the assay office, the year of hallmarking, and the registered maker or sponsor. 英國銀飾上的「印記」，是一組由鑑定所蓋下的官方標誌，用來保證金屬純度、鑑定地點、年份與提交鑑定的製作者。 Hallmarks on the Pendant｜墜飾上的印記 DH 字母｜Maker’s (Sponsor