Several early photos of the Sphinx, the top one identified as follows: Henri Béchard (active 1870s & 80s); ‘Le Sphinx Armachis, Caire’ (The Sphinx Armachis, Cairo), about 1880; Albumen print; 21 x 27cm. (National Media Museum).
Second photo, and third photo sources.
Related: A painting of the back of the Sphinx' head in 1854.
Posted as a followup to speculation last month about what might be buried under sand dunes.