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Trailblazing: 100 Years of Our National Parks Smithsonian National Postal Museum, Washington, DC — 2017-04-07

Postmark date:
2017-04-07

You have until:
2017-09-09
to mail

Write to:
Pictorial Postmarks
Smithsonian National Postal Museum Station
Special Cancellations
2 Massachusetts Ave NE
Washington, DC  20002-9998

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One Response to Trailblazing: 100 Years of Our National Parks Smithsonian National Postal Museum, Washington, DC — 2017-04-07

  1. Ben says:

    Tip: if you send in a request for this postmark, include a note specifically requesting the Trailblazing postmark. I requested a cancellation and received a different National Postal Museum postmark, which while nice, had nothing to do with national parks.

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