Port of Philadelphia - WPA poster, Public domain, Library of Congress

Poster promoting Philadelphia, showing railroad freight cars at the Port of Philadelphia.
Date stamped on verso: Aug 4 1937.
Work Projects Administration Poster Collection (Library of Congress).
Blocks by Domenic Rotoli.
Posters of the WPA / Christopher DeNoon. Los Angeles : Wheatly Press, c1987, no. 139 (another copy)