Open every day (except December 25)
10:00 am to 5:30 pm
Admission is always free!
2 Massachusetts Ave., N.E.
Washington, DC 20002
Postal stationery includes any paper item with a prepaid printed monetary value that is meant to be sent through the post. Stamped envelopes, postal cards, letter sheets, wrappers - all of these are examples of postal stationery.