200000844, Tassie, 844, JUPITER, ON A THRONE, WITH EAGLE, AND MERCURY WITH CADEUCEUS AND DOG, Boos, (Baron de), Trier, Tassie, J.; Raspe, R.E.: A Descriptive Catalogue of a General Collection of Ancient and Modern Engraved Gems,... (1791), 83,NO.844,TRAY 14.2, 14.4, Emerald