200001231, Tassie, 1231, LEDA RECLINING ON THE GROUND, ATTACKED BY THE SWAN, UNDER A TREE, GROUNDLINE., Stosch, (Philipp, Baron), Tassie, J.; Raspe, R.E.: A Descriptive Catalogue of a General Collection of Ancient and Modern Engraved Gems,... (1791), 107,NO.1231,TRAY 20.2, 20.4, Sulphur