A Russian silver, gilt and niello beaker, Moscow assay mark of Nikolai Dubroven, 1840, maker's mark Ak, of cylindrical form with a flared rim, decorated with floral scrolls on a gilt stippled ground, having two circular reserves one of a ship by a dockyard, the other of a mounted cavalry officer, engraved with initials, gilt interior. Height 8.5 cm, weight 160g