MIAMI - Jim Gallup has traced every line of a rare 1918 stamp called the Inverted Jenny, copies of which can fetch hundreds of thousands of dollars. He recognizes the proper shade of red and blue on ...

The United States Postal Service is marking the 100th anniversary of the dawn of air mail by releasing a new commemorative Forever stamp celebrating the courage of the first airmail carriers and the ...

An aviation pioneer and the most successful aircraft of all time were honored on an airmail stamp and post card issued Saturday in San Diego. The 45-cent stamp, the overseas airmail postage for ...

The United States Postal Service debuted a new Forever stamp Tuesday honoring a century of airmail service. A first-day-of-issue ceremony for the blue US Air Mail Forever stamp took place Tuesday at ...

24c Curtiss Jenny inverted block of four, 1918 This upside-down blue plane within a red frame is the most famous U.S. stamp and one of the world’s most famous printing errors. Only one misprinted ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. The 24-cent Curtiss Jenny stamp ...