Action Comics 1 result, the "Overstreet Comic Book Price Guide" has, since the 1970s, published a warning advising that attempts have been made to pass off the reprint, stripped of its "Famous First Edition" cardboard cover, as an actual #1. However, the Guide does not cite any actual instances of this. DC reprinted "Action Comics" #1 in 1988 as part of the 50th anniversary celebration of Superman that year. This edition reprinted only the Superman story, with a 50¢ U.S.A. cover price. The complete issue was reprinted in 1998 with an additional half-cover featuring the Superman stamp from the U.S. Postal Service's "Celebrate
Action Comics 1 copy for US$1.5 million, making it the most expensive and most valuable comic book of all time. The copy sold is the third highest-graded copy from the CGC, which stands at 8.5 VF+ grade. As of 2011, there were six known Comic Guaranty LLC (CGC)-graded copies with a grade above VG (CGC 4.0), with only one issue having the grade of VF/NM (CGC 9.0) at that time. EC and "Mad" publisher William Gaines, whose father was also a comic book publisher and had business dealings with DC Comics at the time "Action Comics" #1 was published, claimed in a "Comics