March 15, 2005 - March 19, 2006 An exhibition of selected materials from the Postmaster General's Collection at the National Postal Museum. A One-of-a-Kind Collection Every U.S. stamp collection has its own story, but the origin of the Postmaster General’s Collection of the U.S. Postal Service is surely unique. Learn more About A One-of-a-Kind Collection Creating America’s Stamps Printing a stamp isn’t quite like printing anything else. Stamps must be nearly impossible to counterfeit, but inexpensive to print; in recent years... Learn more About Creating America’s Stamps Rarities and Special Holdings This section of Stamps Take Flight showcases some of the rarest and most unusual holdings of the Postmaster General's Collection... Learn more About Rarities and Special Holdings U.S. Air and Space Stamp Gallery The United States has issued over 200 stamps celebrating aviation, space technology, and the men and women who have braved the skies. Learn more About U.S. Air and Space Stamp Gallery Kids Page Learn more About Kids Page Resources Learn more About Resources About the Exhibition Learn more About About the Exhibition Exhibition Outline Learn more About Exhibition Outline