On Zoom. Presented by the Spellman Museum of Stamps and Postal History. View images of vintage US postage stamps and learn about the history of the US Post Office from the first letters carried on the Boston Post Road to the current postal challenges. Learn about the Pony Express, and the carrying of mail by railroads, buses, boats, trolleys, rockets, dog sleds, camels and mules. Contact the COA at 508-358-2990 or firstname.lastname@example.org to sign up.