
Sepia tone, 7x9", with text in the negative identifying the unit as the 91st Aero Sqdn, U.S. Air Service, area of NW Norroy, dated 5-11--1918, taken at a height of 4800 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.