Space Shuttle Endeavor is featured on this Express Mail sheet of 20 Stamps, each $10.75. It has a PSE Certification, which also states that the sheet was part of the John Dupont collection. It's Scott catalog #2544A.
All photos of stamps, plate blocks and sheets of stamps issued after 1930 are stock. If you are looking for a particular number or position, please email us, as we have multiples of many items.
