40001153, Poniatowski, T1115, THE GENIUS OF SLEEP WITH POPPY OVERPOWERING PALINURUS [WHO IS LEANING ON THE RUDDER OF A VESSEL], PURGOTELES, Pyrgoteles, Market, Unknown, Christie's, London, Monson, (Lord), 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), Artemis Gallery (Louisville, CO, USA), Jan 23, 2020, lot 31, Cornelian