1993 reprint of original issue with the original 1963 advertising, available only through JC Penney catalog. Has low print run. Can be identified by its dull, gray cover printed on newsprint quality paper, its cover price not inside a white box and gray border around front cover. There is no indicia in this book. (Other editions have the indicia underneath the encyclopedia ad on the inside front cover.) This is a second printing of Marvel Milestone: X-Men (Marvel, 1991 series) #1. There is a total of 19 different comics in the JC Penney 1993 set.