40000384, Poniatowski, T354, HERCULES [ARMED WITH CLUB AND QUIVER BEHIND HIS BACK] PRESENTING EURYSTHEUS WITH THE LION HE HAD SLAIN, APOLLONIDES, Apollonides, Catalogue des pierres gravées antiques de S.A. le Prince Stanislas Poniatowski ([1830?]-1833), Unknown, 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, II.225, Sardonyx