Narodowe Muzeum Poczty - Free Audio Guide

Waszyngton, D.C., Stany Zjednoczone

National Postal Museum, 2, Massachusetts Avenue Northeast, NoMa, Ward 6, Washington, District of Columbia, 20002, United States

National Postal Museum, Washington, D.C.

Midwest1.9, CC BY-SA 4.0, via Wikimedia Commons

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