This is the selfsame obelisk later gifted to the United States. In 1879 the obelisk was removed from Alexandria, transported across the Atlantic in a specially-modified steamer and installed in Central Park, New York City, where it now resides.
Hippolyte Delié, Cairo, circa 1865. Card imprinted front "H. Delié & Cie. Phot." and on reverse "Photographie Universelle / H. Delié & Cie. / Caire (Egypte) / Succursale de la maison Pierson / Photographe de l'Emperor / Boulevart des Capucines, 3. / Paris."