A Russian gem-set silver presentation cup and cover, Morozov, Petrograd, dated 1917. The flared body applied at the front with the Imperial eagle, the reverse with the civic arms of Petrograd above engraved inscription in French 'The Duma of Petrograd/ to S[on]. E[xcellence]. M[onsieur]. G[aston]. Doumergue/ 4/17 February 1917', above cabochon amethyst and moonstone-set stylised flowers, the lower body, base and lid with lobes, Imperial eagle finial.