200001183, Tassie, 1183, A COWHERD SITTING UNDER A TREE WITH HIS STAFF, WATCHING A COW (ARGUS AND IO?), GROUNDLINE, Gori, A.F.: Museum Florentinum... (1731-1742), Flor. Cab., Tassie, J.; Raspe, R.E.: A Descriptive Catalogue of a General Collection of Ancient and Modern Engraved Gems,... (1791), I, 57, NO. 3, Amethyst