About the item:  

Superman #400, signed by hand by contributing comic creators Frank Miller, John Byrne, Jim Steranko, Wendy Pini, Howard Chaykin, Walt Simonson, Mike Grell, Bill Sienkiewicz, and Kalus Janson.  It is JSA authenticated through CGC with a grade of 9.4.  A classic 1980's issue, the comic features a celebration of the 400th issue of Superman.  Fresh from CGC, it will be shipped with the utmost care.