101. Shell hallmark, small silver guarantee
Shell hallmark, small silver guarantee, departments of the 3rd division: East, August 16, 1819 to May 9, 1838. Information about the shell hallmark and other hallmark illustrations on this site are from the book Traditional French Jewellery, written by Mike Fieggen, expert in antique jewellery and hallmarks from Osprey Paris. This 300-page book, the definitive […]