
Sepia tone, 7x9", with text in the negative identifying the unit as the 91st Aero Sqdn, U.S. Air Service, area of N. Bantheville, dated 9-10-1918, taken at a height of 4500 meters. The 91st flew Breguet 14, Salmson 2A2 and DH-4 on reconnaissance missions but no indication which was used here. Very good vintage condition.