Very old sterling silver shot glass with lots of hallmarks and maker's marks on the bottom as well as top lip of the cup, likely antique Russian made. The bottom is stamped B.C. and 1872 in addition to other hallmarks. Excellent condition with minor wear, has been lightly polished. Base Diameter: 1-1/2". Top Diameter: 2". Height: 2-1/4". Weight: 49.7 grams.