The inverted Jenny is the 1918 U.S. postage stamp using image of plane Curtiss JN-4 and accidentally printed upside down. This is probably the most famous misprint in the world of American philately. One full block inverted Jenny stamps sold at auction of Robert A. Siegel in October 2005 for U.S. $ 2.7 million. And in November 2007 an inverted Jenny stamps sold for U.S. $ 977,500. December 2007 a mint stamps sold for $ 825,000.
The first two stamps of Mauritius (1847) are the first two series of stamps issued by the British colonial government. Only one left for first stamps in unused condition and three second stamp with unused condition as well. In 1993 David Feldman auctioned the Mauritius stamps of Hiroyuki Kanai produces the highest record. The first orange stamp sold for $ 1,072,260 and the second for $ 1,148,850.
The Three-Skilling Yellow, is a misprint stamp of the Swedish government in its first printing in 1855. Which normal postage only (which should be blue-green) also included in rare stamps. Three-Skilling Yellow is one of the rarest stamps and only one remaining. In 1984 a stamp was sold for 977.500 Swiss francs by David Feldman. In 1990 the sales reached one million dollars U.S. Then in 1996 sold for $ 2.3 million. And each time It’s sold always scored the highest number as the most expensive stamps in the world! [source].
Have you seen any of these on your mails lately?
...it's only .44 cents by the way!
~I find them gorgeousss...