World War I Stamps Smithsonian Institution

National Postal Museum Smithsonian Institution Archives

32c Uncle Sam Poster single

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World War I Stamps Smithsonian Institution

A mother's solace: A letter from a World War I enemy

Stamp was in storage and flat. Worn Condition. A wonderful collectible.

Vintage 1846 Smithsonian Institution 1946 3 Cent Stamp 1946

1c Washington WAR STAMP private overprint pair

1944-1945 National Postal Museum