200000923, Tassie, 923, FRONTAL FIGURE OF JUPITER SERAPIS SITTING ON A THRONE, WITH MODIUS, HOLDING PATERA AND STAFF, THE EAGLE AT HIS SIDE, Tassie, J.; Raspe, R.E.: A Descriptive Catalogue of a General Collection of Ancient and Modern Engraved Gems,... (1791), 86,NO.923,TRAY 15.2, 15.4, Sardonyx