Sub-Mariner 1968 #20 - back issue - $150.00

Sub-Mariner is pursued by New York policemen and takes refuge in the Latverian Embassy, where Dr. Doom tries to take him prisoner.

Ad for King-Size Matchbox models.

On-sale date from 1969 Periodicals, Copyright Office, Library of Congress with a correction factor of plus 28 days.

• In the Darkness Dwells... Doom! - Johnny Craig inker credit suggested 2006 by Nick Caputo. Original indexer credited Mike Esposito.
• - Inside front cover. Ad for a weight gain supplement.
• The Race to Danger - Comics ad for Lee Leens pants from H.D. Lee Company, Inc. between story pages 3 and 4.
• - Ad for novelty items from the American Circle Corp. located on top half of page between story pages 6 and 7.
• - Ad for sea monkeys. located on lower half of page between story pages 6 and 7.
• - Ad solicits boys to sell Grit magazine, located between story pages 6 and 7.
• - Includes obituary for George Klei; Item; The Mighty Marvel Checklist; promo for The Silver Surfer (Marvel, 1968 series)
• - Ad for membership to Marvelmania, between story pages 9 and 10, on lower half of page.
• Super Saturday on ABC - Advertisement for Saturday morning cartoon lineup on ABC Television for the season starting September 6, 1969. Also advertisement for ABC's Super Saturday Club. Located between story pages 11 and 12.
• - Letters from: Claude C. Hargis, Carl Sherman, and Ron Haeske. Between story pages 12 and 13.
• Shop By Mail - Thumbnail advertisements for a variety of products including back-issue comic books. Located between story pages 15 and 16.
• - Located on top half of page, between story pages 18 and 19.
• Shop By Mail; Stamps - Various ads for stamps companies and other items. Appears between story pages 18 and 19 on lower half of page.
• - Ad for the Academy for Home Study.
• - Inside back cover. Ad to earn money by selling greeting cards.
• - Back cover. Ad for the Famous Artists School.