200001180, Tassie, 1180, HEAD OF IO IN THREE-QUARTER VIEW, WITH SMALL COW HORNS AND NECKLACE, NEXT TO THE HEAD OF A BULL, A CAPRICORN BELOW, C.A., Gray, (Mr.), Tassie, J.; Raspe, R.E.: A Descriptive Catalogue of a General Collection of Ancient and Modern Engraved Gems,... (1791), 103,NO.1180,TRAY 19.2, 19.4, Beryl