U.S (2007).- Marvel Super Heroes Sheet w/Commemorative Cancellation Page!
U.S.- Marvel Super Heroes Sheet Scott#: 4159 . Ten stamps on the Marvel Super Heroes featured along with classic comic covers. Mint sheet of 20 -41c stamps sold with US Commemorative Cancellations Sheet- complete sheet of 20 of 20 with special First Day of Issue cancellation from San Diego, CA. Back of Commemorative Cancellations Sheet has detailed technical information regarding the issue and descriptions of all the super heroes