Bidspirit auction | Post Medieval Agate Gemstone with

Post Medieval Agate Gemstone with Socrates - 18th-19th century AD A plano-convex agate plaque with intaglio bust of Socrates to the flat face. 2.23 grams, 25mm (1”). Very fine condition. Provenance Property of a North London gentleman; previously in a UK collection formed in the 1980s.