40002249, Poniatowski, 1839-1756, SPARTICUS, FIGURE [SPARTACUS], SPARTAKOS, Unknown, The Wellington Gems (1977) [London, Market, S.J. Phillips], Christie's, London, Scarisbrick, (Charles), Esq., Christie's, London, Catalogue des pierres gravées antiques de S.A. le Prince Stanislas Poniatowski ([1830?]-1833), 410.5, Cornelian