Upside Down Plane Stamp Price 2025. “only a few stamps are errors that were bought at the post office,” trepel explains. Robey was one of the collectors on the lookout and unbelievably purchased a sheet containing 100 stamps that were printed incorrectly (the plane was upside.

When it comes to philately, there’s one stamp that flies above all others: Photos in the media usually show the airplane upside down, as is pictured in the box nearby.