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The U.S. Postal Service's busiest season prompts us to revisit its curious history
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.
This segment aired on December 18, 2023.