[Curtiss NBS-1 (Martin MB-2)]

Photograph of a Curtiss NBS-1 (Martin MB-2) aircraft at the 1923 Pulitzer Air Race in St. Louis, Missouri, October 1923. Two crewmembers are visible in the plane.

Inscription: "11160 A.S."

Inscription on verso: "Curtiss/Martin NBS-1."

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."