'Inverted Jenny' Stamp Fetches $2 Million USD at Auction

Folks, hold on to those stamps, they may be worth a massive sum one day. Case in point: an "Inverted Jenny" postal stamp, one of the rarest in the world, has just sold for $2m USD via Robert A. Siegel Auction Galleries in New York. The stamp was originally printed in 1918 to commemorate the first regularly scheduled airmail route in the U.S., but the Bureau of Engraving and Printing misprinted the artwork -- which depicted the Curtiss JN Jenny plane in the center, upside down. All but just one s...