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Smithsonian National Postal Museum

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Open daily 10 a.m. to 5:30 p.m.

Admission is always free!

2 Massachusetts Ave., N.E.
Washington, DC 20002

The museum's main entrance is located on the corner of First Street and Massachusetts Avenue NE. Other entrances have variable hours.

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Canal Zone Stamps

Featuring Research Volunteer Contributions

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Postage Due Issues

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Postage Due Issues

refer to caption — 1-cent Canal Zone Seal Postage Due plate proof

refer to caption — 5-cent Canal Zone Seal Postage Due plate proof

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Canal Zone Stamps

First Series (1904)
U.S. Overprint Series (1904)
Third Series (1904-1906)
Fourth Series (1906)
Fifth Series: The Hamilton Banknote Issue (1906)
Sixth Series Overprint Reading Down (1909)
Seventh Series (1909-1921)
- Type I Black Overprint Reading Up
- Type II Black Overprint Reading Up
Eighth Series (1911-1914)
Ninth Series (1915-1920)
Tenth Series (1921)
Eleventh Series (1924)
2nd U.S. Overprint Series (1924-1939)
Permanent Series (1928-1978)
Commemoratives
Postage Due Issues
Airmail Issues
Outline

‹ 4-cent Thatcher Ferry Bridge up Airmail Issues ›

Smithsonian National Postal Museum

Open daily 10 a.m. to 5:30 p.m.

Admission is always free!

2 Massachusetts Ave., N.E.
Washington, DC 20002

The museum's main entrance is located on the corner of First Street and Massachusetts Avenue NE. Other entrances have variable hours.

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Owney, the Railway Mail Service Mascot

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