A Soviet Russian silver mounted drinking horn, 20th century, Artel mark AM4, 875 kokoshnik stamp for 875/1000 standard silver, of tapering naturalistic form with niello decorated collar, fitted 'figure of eight' link chain joining to the similarly decorated tapering terminal with 'duck bill' finial, 6cm diameter at the rim, overall length 27cm Provenance: From the estate of the late Barry Lock (1934-202