Description: The National Postal Museum was established by an agreement between the Smithsonian and the United States Postal Service in 1990. However, its extensive collections of stamps and other philatelic materials date back to 1886. The Postal Museum is housed in the lower level of the former Washington City Post Office Building, which was built in 1914. The postcards in this gallery
Description: As we mentioned earlier this week, today is AskArchivists Day on Twitter. Starting at 9 am EST, and until 5 pm EST today, Smithsonian expert archivists, will be answering all of your questions about archivists, archiving, and archival collections.Come on over to the Smithsonian Twitter feed, and ask a question by adding @Smithsonian and the hashtag #AskArchivists to your