40001773, Poniatowski, 1839-796, CERES HAVING ALIGHTED FROM HER SERPENT-CAR, DRAWN BY TWO DRAGONS, IS SETTING ON FIRE MOUNT AETNA TO ILLUMINE HER PURSUIT AFTER PROSERPINE, Unknown, Hertz, B.: A catalogue of the collection of pearls and precious stones formed by Henry Hope, esq, Catalogue des pierres gravées antiques de S.A. le Prince Stanislas Poniatowski ([1830?]-1833), Christie's, London, p. 63, pl. 25, no.30, Garnet