U.S. Dreadnaught in Panama Canal as Seen from Airplane

Front:
U.S. Dreadnaught in Panama Canal as seen from Airplane. "OFFICIAL PHOTOGRAPH_4318. U.S. NAVAL AIR SERVICE"

Back:
Pos Euro ADDRESS -Pub. by EDWARD H. MITCHELL, San Francisco, Cal. Rita V. Les Borges, Oct. 4,1919.