Minuteman is a comic book series that circulated in 1940 that was based on the superhero team of the same name.
Background
Minuteman presented idealized versions of the actual vigilante team, promoting high ideals and patriotism. Their home, the Tower of Freedom, was fictionalized as the "Freedom Tower" overlooking the city.
History
Nite Owl was reading the first issue while the team was voting about the fate of the Comedian. By 1962, Mason still had that issue among his comic book collection.