- Get Involved
Due to inclement weather, the National Zoo closed at 2 p.m. on Sunday, Dec. 8.Skip navigation
November 24, 1996 – April 15, 1997
Museum: Postal Museum
Location: Stamps and Stories, Rarities Vault, Lower Level
Mail covers illustrate mail carried in America by British and American Posts. Some of the covers were franked by important people of the day, among them George Washington. The British Parliamentary Posts in America operated from 1660 to 1783; the American Independent Posts operated from 1774 to 1800.