From The Superhero Calendar from 1964:
The Owl and Captain America!
SUPER-HERO CALENDAR FANZINE (1964) - 16 pages, ditto. Super-rare zine published by Bernie Bubnis, with each month illustrated by a fan artist, including Ken Tesar, Bill J. White, Alan Weiss, Buddy Saunders, Ronn Foss, Howard Keltner, Grass Greene, and Raymond Miller.