ROMAN NICOLO INTAGLIO PORTRAIT OF YOUNG MERCURY WITH PETASOS IN HIGH KARAT GOLD RING. Ca. AD 1 - 50 A nicolo intaglio engraved with the bust of youthful Mercury in right profile, wearing a winged petasos and drapery at the shoulder, set in a possibly later 21kt gold ring with an oval bezel framed by a stepped border and a rounded hoop that broadens at the shoulders. Size: D:17.53mm / US: 7 1/4 / UK: O; Weight: 11.4g. Provenance: Private London collection of an established Mayfair dealer and scholar with over 40 years of experience; previously part of 1970s-1990s UK collection. This item has been cleared against the Art Loss Register database and comes with a confirmation letter. For similar see: The Classical Art Research Centre (CARC), Record Number: 40006241.