Action Comics strong sales and follow up investigations revealed that Superman was the reason, thus the character returned to the covers, becoming a permanent presence in issue 19 onward. Originally, "Action Comics" was an anthology title featuring a number of other stories in addition to the Superman story. Zatara, a magician, was one of the other characters who had his own stories in early issues. There was the hero Tex Thompson, who eventually became Mr. America and later the Americommando. Vigilante enjoyed a lengthy run in this series. Sometimes stories of a more humorous nature were included, such as those of Hayfoot
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