200001263, Tassie, 1263, TWO YOUTHS STANDING WITH CLOAKS AND STAFFS NEXT TO THE HEAD OF JUPITER SERAPIS ABOVE AN EAGLE, GROUNDLINE., Tassie, J.; Raspe, R.E.: A Descriptive Catalogue of a General Collection of Ancient and Modern Engraved Gems,... (1791), 109,NO.1263,TRAY 21.1, 21.3