The Inverted Jenny depicts an upside down plane and is worth almost a million dollars. What is it?
Inverted Jenny Inverted Jenny The Inverted Jenny (also known as an Upside Down Jenny, Jenny Invert) is a United States postage stamp first issued on May 10, 1918 in which the image of the Curtiss JN-4 airplane in the center of the design is printed upside-down; it is probably the most famous error in American philately. Only one pane of 100 of the invert stamps was ever found, making this error one of the most prized in all philately. A single Inverted Jenny was sold at a Robert A. Siegel auction in November 2007 for $977,500. In December 2007 a mint never
Inverted Jenny was printed first, thus it was actually the red frames that were inverted. In fact, the frames were printed first and it is the planes that are upside down. In examples where the plane is so far off center that it overlaps the frames, it can be seen that the blue ink used to print the plane lies atop the red ink used to print the frames. The Smithsonian's National Postal Museum offers two explanations for how this might have occurred: either a sheet of printed frames was placed in the press upside down for the printing of the plane;