40001226, Poniatowski, T1177, ARISTODEMUS KILLING HIMSELF AT THE TOMB OF HIS DAUGHTER [LYCUS, HAVING PLUNGED HIS SWORD INTO HIS SIDE, IS SINKING DOWN ON AN ALTAR], PURGOTELES DIRKE, Pyrgoteles, 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), 1177, Amethyst