If you have one of these, hold on to it. Produced by a 1918 misprint, only 100 of these stamps have been found. That puts them among the most valuable stamps in the world — in 2003, an “Inverted Jenny” would sell for $150,000.
If you have one of these, hold on to it. Produced by a 1918 misprint, only 100 of these stamps have been found. That puts them among the most valuable stamps in the world — in 2003, an “Inverted Jenny” would sell for $150,000.