Lot 611 , A hardstone cameo ring, late 19th/ early 20th century

A hardstone cameo ring, late 19th/ early 20th century, set with an oval sardonyx cameo depicting Minerva in a helmet composed of faces, measuring approximately 11.4 x 8 x 3.7mm, mounted in 18ct gold, size L, partial British hallmarks, gross weight approximately 3 grams
£200-300