Sub-Mariner 1968 #23 - back issue - $14.00

Various guides and instruction manuals available by mail-order.

On-sale date from 1970 Periodicals, Copyright Office, Library of Congress with a correction factor of plus 28 days.

• - Inside front cover. Ad for the "Weider System" of body building.
• - Ad for a penny in a miniature bottle. Between story pages 3 and 4.
• - Between story pages 6 and 7, on top half of page.
• - Ad for Marvelmania International membership kit, on lower half of page, between story pages 6 and 7.
• - Ad for miniature NFL helmets. Between story pages 6 and 7.
• - Ad for display units for Matchbox toy cars, on top half of page, between story pages 9 and 10.
• - Advertisement to sell Grit magazine from Grit Publishing Co, located between story pages 9 and 10 on lower half of page.
• - Advertisement for high paying jobs in the drafting field. Located between story pages 15 and 16, on top half of page.
• - Thumbnail ads for stamps, back-issue comic books, and novelty items, located between story pages 15 and 16 on lower half of page.
• Shop by Mail - Thumbnail ads for stamps, back-issue comic books, and novelty items, located between story pages 18 and 19.
• - Thumbnail ads for stamps, back-issue comic books, and novelty items, located between story pages 18 and 19.
• - Includes: Stan's Soapbox; Items; Sgt. Fury (Marvel, 1963 series) #75 house ad.
• - Includes ?Know Ye These, the Hallowed Ranks of Marveldom.?
• - Ad for plastic toy soldiers.
• - Inside back cover. Ad for the Academy for Home Study.
• - Back cover. Ad for the Famous Artists School.