In honor of the new movie coming out this Friday, it's GI Joe Week at the Wonderful Wonderblog. I'll be posting some vintage comic book covers and ads.
First up is DC Comics Showcase Presents #53. Dated Dec. 1964. Cover by Joe Kubert.
Showcase Presents #54. Dated Feb. 1965. Cover again by Joe Kubert.
This ad appeares in issue 54.