Inverted Jenny
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The Inverted Jenny is a 24 cent 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 one of the most famous errors in American... Wikipedia
Date of production: May 10, 1918
Depicts: Curtiss JN-4
Estimated value: US $1,593,000
Nature of rarity: Invert error
No. in existence: 100
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