Jewellery, Watches and Objects of Vertu

A sapphire and mother o’ pearl ring, by Mauboussin, the central square panel set with four round sapphires, between mother-o’-pearl inlaid shoulders, to polished shank, yellow precious metal shank signed ‘MAUBOUSSIN,PARIS’, and stamped ‘18 KTS and numbered ‘0 1028’, ring size I (leading edge). £200-£300