[De Havilland DH-4 in flight]

Photograph of a De Havilland DH-4 aircraft (wing number 37) flying near a pylon at the 1923 Pulitzer Air Race in St. Louis, Missouri, October 1923.

Inscription: "B-11177 A.S."

Inscription on verso: "De Havilland DH. 4 (?). 1923 St. Louis."

Stamped on verso: "Official photograph. Property of U.S. Army Air Service. Reproduction of this photograph is prohibited except when and as authorized in writing by the Chief of Air Service, Washington, D.C."