Did you know it used to only cost $.15 to mail a human child? That’s one of the fun facts we learned from a new “A Kids’ History of the United States Postal Service” activity book.
We speak to acting postal historian Steve Kochersperger, who helped develop it.
Owney, the dog that the postal service adopted in 1888. (Courtesy of USPS)
This article was originally published on WBUR.org.
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