An early 19th century agate cameo ring, formerly in the collection of Arthur 2nd Duke of Wellington (1807-1884)

An early 19th century agate cameo ring, formerly in the collection of Arthur 2nd Duke of Wellington (1807-1884)
The oval cameo depicting the profile head of Antinous, favourite of Hadrian (110-130 A.D.) facing right, in plain gold mount to a tapering hoop, circa 1820, finger size P