Antique German Silver Perched Robin Bird Slider Locket Pendant Charm Stunning | eBay Exquisite antique, circa 1900s, perched robin slider locket pendant or charm. In excellent antique condition with beautiful detail. Locket Size: 15/16" by 3/4" Weight: 4.1 gr Material: 800 Silver Hallmarks: DEP 800. DEP is short for depose which is French for registered/protected design. 'DEPOSE' wasn't used on German silver after 1914 because of the start of the 1st World War with France.