Back of the postcard. Some of the wording is not readable. It looks like the postcard was sent to a woman, Miss Stewart of California, from Paul Smith.
The black and white view of the Lockheed 14 aircraft at Floyd Bennett Field in New York. Typed onto a piece of paper attached to the image: "Scene at Floyd Bennett Airport this evening shortly before the big Lockheed special monoplane New York World's Fair 1939 took off on a transatlantic flight to Paris, carrying Howard Hughes an a crew of four."