Official photo of U.S. Army Signal Corps trade card (W500)
Object type: Print
Department: Drawings and Prints
Date: ca. 1918–30
Medium: Commercial photolithograph
Dimensions: Sheet: 1 3/4 × 2 1/2 in. (4.4 × 6.4 cm)
Classification: Prints|Ephemera
Credit line: The Jefferson R. Burdick Collection, Gift of Jefferson R. Burdick
Accession year: 1963