with very fine niello work of floriate designs surrounding a cartouche depicting the equestrian statue of Peter the Great in Saint Petersburg on one side, and a cartouche depiciting the Alexander Column on the other side, the flared lip with a swan hallmark, Cyrillic maker's mark AK,  partially legible dated assayer's mark on base, 84 standard,  height:  18.3 cm (7 1/8 in.)