Marks Identification Guide. The marks on the bottom of a piece of silver can be an indication of the age, maker, and origin of the piece. A single mark usually indicates that the piece of silver was made in America, although there are some Irish and Scottish pieces with just the maker 's name..The most comprehensive internet resource for research of Silver Marks, Hallmarks Maker 's Marks found on antique and vintage silver and silverplate. Marks russian hallmarks. Updated ~ Russian Hallmarks . pattern identification .In 1973, the European Community EC agreed to recognize 925/1000 as the official sterling silver standard and 925 as the official standard mark. Since then .The SITE MAP of the Silver Marks and Hallmarks Directory of Silvercollection.it: your worldwide guide to silver hallmarks ancient and modern. How to identify .