Join Host Kessler McLaughlin on a brief overview of how the post office came to be and to learn what individual objects you can ship without envelopes or packages.

Sources and Further Reading:

History Channel | Post Office

Britannica | Postal System History

Britannica | Cursus Publicus

Smithsonian Postal Museum | Ben Franklin

The Week Magazine | Post Office Innovations

US Postal Service | History

US Postal Service | An American History (ebook)

US Postal Service | Facts

US Postal Service | Decoding the Zip Code

US Postal Service | Mailing Potatoes