Sub-Mariner 1968 #4 - 7.5 - $12.00

On-sale date from 1968 Periodicals, Copyright Office, Library of Congress.

• - Inside front cover. Ad for body building products.
• - Ad offering free booklet on "How to Gain a Good Command of English", located between story pages 3 and 4.
• - In-house advertisement for T-shirts, sweat shirts and The Merry Marvel Marching Society membership kit, from Marvel Comics Group. Located between story pages 6 and 7.
• - Ad for Strat-O-Matic baseball game. Located between story pages 6 and 7.
• Missile Firing Tank - Sold by Honor House Products. Between story pages 9 and 10, on upper half of page.
• - Ad for U.S. coin catalog. Between story pages 9 and 10, on lower half of page.
• - Ad for martial arts book sent in plain wrapper for $3.98. Between story pages 15 and 16.
• Stamps; Shop by Mail - A collection of classified advertising offering stamps, novelties, and comic books. Between story pages 18 and 19.
• - Includes: Items; Stan's Soapbox; The Mighty Marvel Checklist
• - Located on upper half of page.
• - Ad soliciting salespeople for newspaper. Located on lower half of page.
• - House ad for Not Brand Echh (Marvel, 1967 Series) #9 (August 1968), with cover shown, and advertised as "On Sale Now!".
• - Letters from readers: Bill Blyberg, Daniel Brewer, Jay Maddux, Jeff Factor. Includes images from earlier issues.
• - House ad for Spectacular Spider-Man Magazine #1, on top half of page.
• - House ad for the Silver Surfer (Marvel, 1968 series) #1, on lower half of page.
• - Ad for fishing equipment from Niresk Discount Sales. Inside back cover.
• - Back cover. Ad for toy soldiers.