Pascal Sebah, (2) photographs, Pascal Sebah (1823-1886), "Descent from the Pyramid" and "Buffalo", each c. 1875, albumen print mounted to cardboard, signed and titled in the negative, unframed, 13.5"h x 10.25"w and 8"h x 10.25"wProvenance: The Collection of Ileana Sonnabend, thence by descent