Roman Chrysoprase Gemstone with Empress Sabina. 125-130 A.D. With slightly domed upper face, intaglio profile portrait bust, possibly of Empress Vibia Sabina (83-136 A.D.) with her hair draped in a braid above her brow, crescent placed beside her shoulder; supplied with a museum-quality impression. 0.65 grams, 14 mm (1/2 in.). [No Reserve] From the Fadel family collection, London, UK, 1970s.