200001196, Tassie, 1196, LEDA LYING ON THE GROUND, HER CLOAK DRAPED OVER HER LEGS, ATTACKED BY THE SWAN, CUPID FLYING ABOVE WITH HIS BOW, Tassie, J.; Raspe, R.E.: A Descriptive Catalogue of a General Collection of Ancient and Modern Engraved Gems,... (1791), 105,NO.1196,TRAY 19.2, 19.4