A 19th century Russian silver-gilt standing cup and cover

A 19th century Russian silver-gilt standing cup and cover, Assay master P. Dmitriyev, maker's mark possibly CMP, St. Petersburg 1850, inverted pear form, lobed decoration with chased motifs on a matted background, the body mounted with four horse's heads, the pull-off cover with a finial modelled as a seated Russian gentleman in traditional dress, on a hard stone base, height off plinth 38cm, approx. weight 26oz.