United States Stamps
Find out all about the National Postal Museum, its exhibits and collections.
Wikipedia page providing a useful overview of United States stamps and postal history.
Recent news about United States stamps, from StampNews.com.
The Museum of United States Essays & Proofs is dedicated to the study and appreciation of early U.S. postage and revenue stamp design, as seen through the actual handiwork of the designers and engravers - Essays and Proofs. Over 350 pages of exhibits.
The United States Stamp Society 1954 Liberty Series Study Committee is an informal group of philatelic specialists who share a desire to expand their knowledge about the Sixth Bureau Issue of United States postage stamps, primarily through question and answer discussions of what is known and the reporting of new varieties as they are discovered, with emphasis on postal history. Anyone with a similar passion is invited to join the group.
These web pages are an attempt to give a complete survey of the Flag over Porch Stamp, which was the most used stamp in the US between 1995 and 1998.
With 50,000+ members in more than 110 countries, the APS is the largest nonprofit society in the world for stamp collectors. Founded in 1886, the APS is now in its second century of service to stamp collectors and postal historians. Whether you are a beginning collector or have years of philatelic experience, the American Philatelic Society offers you a number of services and educational opportunities to broaden your personal collection and enhance your special collecting interests!
Individual sidelights on modern US postal history by Joann Lenz.