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Linn's Stamp News Features include information on new issues from various parts of the world, a guide to postmarks, tips for care and handling, and a glossary of philatelic terms.
http://www.linns.com/
Stamps 4 Kids A guide to get started, assembling pages, and making your own album.
http://www.bumperland.com/
The Mystery Box Combines philately, geography, history and travel into a unique collection of mystery stories springing from images of postage stamps.
http://www.themysterybox.com/
Their Stamp on History Explores the lives of important historical people whose pictures have appeared on U.S. postage stamps.
http://www.stamponhistory.com/
