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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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25c Trans-Pacific Air Mail stamp

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25c Trans-Pacific Air Mail stamp

25c blue Trans-Pacific Air Mail stamp — Stamp issued in honor of the Clipper's inauguration of the first trans-Pacific airmail service on November 22, 1935 with 111,000 letters on board. The flight was from San Francisco to Manila, Philippines.

Romance of the Clippers

Airmail In America

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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