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The National Air And Space Museum and the National Museum of American History will be open today, March 5; all other Smithsonian Washington, D.C.-area museums and the National Zoo will be closed due to inclement weather. The Smithsonian museums in New York will be open today.Skip navigation
June 27, 1997 – January 12, 1998
Museum: Postal Museum
Location: Rarities Vault, Lower Level
Commemorating the 150th anniversary of the first U.S. postage stamps, on view are the 5-cent and 10-cent federal stamps, original documents, covers from the stamps' early history, and die proofs.