Rare Russian gem-set (sapphires and emeralds) silver and cloisonne enamel kovsh with purpurin inlay. Maker's mark of Alexander Petrov, who worked also on Faberge. Petersburg, last quarter of the 19th century. Dimensions: 4 x 9.5 x 6 cm. Silver weight: 72.9 g. See similar: SOTHEBY'S RUSSIAN ART, WORKS OF ART AND FABERGE 27 NOVEMBER 2007 LONDON LOT 529, CHRISTIE'S Russian Art 6 June 2016, London, LOT 215, CHRISTIE'S Russian Art 1 - 2 December 2009, London, LOT 1.