The Mighty Marvel Calendar for 1975 was the first of seven calendars produced by Marvel. Features an illustration of either one, or a group, of Marvel superheroes pencilled by one of the publisher’s most popular artists: John Romita, Frank Brunner, John Buscema, Barry Smith, Jack Kirby, Mike Ploog and Gill Kan. On the opposite page were that month’s calendar dates with repurposed illustrations, witty comments and Marvel Bullpen staff birthdays. Spiral bound, printed on medium thick card stock and measures 11.5 x 11″