A late 19th century Russian silver-gilt and enamel cup and saucer

A late 19th century Russian silver-gilt and enamel cup and saucer,

maker's mark B.A, circa 1890,

circular form, with vari-coloured enamel decoration, on a matted background with rope-work borders, white and turquoise beaded borders, on a circular foot, the saucer with similar decoration, diameter of saucer 11.4cm, approx. weight 6.6oz. (2)