A SET OF THREE ANTIQUE RUSSIAN SILVER AND NIELLO SNUFF BOXES, CIRCA 1825-1856comprising:(a) a silver

A SET OF THREE ANTIQUE RUSSIAN SILVER AND NIELLO SNUFF BOXES, CIRCA 1825-1856 comprising: (a) a silver snuff box decorated with images of sunflowers and leaves, extensively decorated in niello, gilded interior, maker`s mark in Cyrillic, 84 standard,and Moscow town mark, circa 1827-1856, length: 8.8 cm (3 1/2 in.) (b) a silver snuff box depicting different city views, extensively decorated in niello, gilded interior, struck in Cyrillic with maker's mark FM , 84 standard, and Moscow town mark, circa 1825-27, length: 8.8 cm (3 1/2 in.) (c) a silver snuff box depicting a horse-driven troika with rider and officer, extensively decorated in niello, gilded interior, struck in Cyrillic with maker's mark OF , 84 standard, and Moscow town mark, circa 1826, length: 8.8 cm (3 1/2 in.)