Sub-Mariner 1968 #13 - 1.0 - $2.25

Send for free booklet on how to finish high school at home.

Ad for U.S. coin catalog.

Ad for karate book and life-size dummy, $1.98.

On-sale date from 1969 Periodicals, Copyright Office, Library of Congress.

• Death, Thou Shalt Die! - Cover inks credit from Sinnott's personal records.
• - Inside front cover. Ad for Olympic Sales Club, Inc.
• Death, Thou Shalt Die! - End of the Serpent Crown Quest.
• - Recruitment ad for sales people for Grit newspaper, between story pages 3 and 4.
• - House ad for Silver Surfer (Marvel, 1968 series) #5 (April 1969) and Marvel Collectors' Item Classics (Marvel, 1965 series) #20, (April 1969), both advertised as "Now On Sale!". Promo located between Pages 6 and 7 of the story.
• - Advertisement for Spider-Man and Thor plastic pillows for $1.50 each and the Merry Marvel Marching Society Membership Kit for $1.00 each. Located between story pages 6 and 7, on lower half of page.
• The Race to Danger - Between story pages 6 and 7. Comics ad for Lee Leens pants from H.D. Lee Company, Inc..
• - Between story pages 9 and 10.
• - Thumbnail ads for stamps and novelty items, between story pages 15 and 16.
• - Thumbnail ads for stamps and novelty items, between story pages 18 and 19.
• Shop by Mail - Thumbnail ads for novelty items and back-issue comic books, between story pages 18 and 19.
• - Includes Items; Stan's Soapbox; The Mighty Marvel Checklist.
• - Located on top half of page.
• - On lower half of page
• - Letters of comment from Jeff Chown, Joe Rusnak, Cesar Armstrong, Jess Riley, David Hanley, Rea Baldridge, Brian Hoard, Mike Heffner, and Bill Malcolm.
• - Ad for a variety of Joe Weider products.
• - Inside back cover. Ad for the Famous Artists School.
• - Back cover. Ad for the American Seed Co.