Uncle sam war bonds

Uncle sam war bonds (cropped)

Uncle Sam Worked Here exhibit-03

Uncle Sam Worked Here exhibit-02

I want you for U.S. Army — American World War One poster

National League for Womans Service poster, United States, World War I (POSTERS 63)

Defense Contract Management Agency (Emblem)

The United Nations fight for freedom — American World War Two poster

William Allen Rogers - Only the Navy Can Stop This (WWI U.S. Navy recruitment poster) original