Asta Bidspirit | A roman red jasper intaglio

A roman red jasper intaglio mounted in a gold ring. Gryllos. 2nd century A.D. Stone 7 x 9 mm; ring size 12 x 15 mm; 13,53 gr. Plain hollow hoop, expanding into broad shoulders and oval bezel with an oval red jasper intaglio: gryllos formed with a corinthian helmet with two male heads and bust of Minerva turned left. Wear marks on the mounting. Provenance: old German collection from 1920s-1950s.