40001320, Poniatowski, 1839-79, CUPID ASKING VENUS PERMISSION TO MARRY PSYCHE, ULLOU, Hyllos, Private Collection, Christie's, London, A. Pash and Sons of Mayfair, London, Market, Breadalbane, (Marquess), Catalogue des pierres gravées antiques de S.A. le Prince Stanislas Poniatowski ([1830?]-1833), Christie's, London, 15 July 1886, Sardonyx