Smithsonian in Your State from the National Postal Museum

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A 20 cent postage stamp featuring a group of multi-colored hot air balloons in a bright blue sky

20c Hot Air Ballooning single, Copyright United States Postal Service. All rights reserved.

A taxidermy small brown dog, Owney, the unofficial mascot of the US Postal department, wearing dozens of medals and tags from his train car stops on his collar.

Owney was a scruffy mutt who became a regular fixture at the Albany, New York, post office in 1888. Owney began to ride with the bags on Railway Post Office (RPO) train cars across the state . . . and then the country! The RPO clerks adopted Owney as their unofficial mascot, marking his travels by placing medals and tags from his stops on his collar.