200001230, Tassie, 1230, LEDA RECLINING ON HER CLOAK ON THE GROUND, LEANING AGAINST A ROCK UNDER A TREE, ATTACKED BY THE SWAN, CUPID OBSERVING, GROUNDLINE., Winckelmann, J.J.: Description des pierres gravées du feu Baron de Stosch (1760), Pruss. Cab., Tassie, J.; Raspe, R.E.: A Descriptive Catalogue of a General Collection of Ancient and Modern Engraved Gems,... (1791), 56, NO.147, Rock crystal