Upside Down Stamp Plane 2025 Dates. Now, more than 60 years after the heist, one of the stamps has. When it comes to philately, there’s one stamp that flies above all others:

The inverted jenny is a 24 cent united states postage stamp issued on may 10, 1918. The 24¢ airmail stamp first placed on sale may 13, 1918, normally shows a blue curtis “jenny” biplane flying upright within a carmine rose frame, but the 100 stamps in the.