40000624, Poniatowski, T596, MEDEA, AFTER MURDERING HER CHILDREN, FLIES IN A CAR DRAWN BY DRAGONS, POLUKLEITOU, Polyklet, Unknown, Christie's, London, Monson, (Lord), Daktyliothek Poniatowski 1832, Antikensammlung Berlin, Prendeville, J.: Explanatory catalogue of the proof-impressions of the antique gems possessed by the late Prince Poniatowski and now in the possession of John Tyrrell, Esq. (1841), Christie's, London, Catalogue des pierres gravées antiques de S.A. le Prince Stanislas Poniatowski ([1830?]-1833), 27.06.1854; lot 37, Sardonyx