Fantastic Four 4 CGC 6.0 with CREAM TO OFF-WHITE Pages! From 1962 this red hot key issue contains the 1st Silver Age appearance of Namor, the Sub-Mariner! See my full page ad on page 228 & read my market report on page 125 in the 50th edition.Thanks for looking, - Dan Gallo. The item "Fantastic Four 4 CGC 6.0 1st Sub-Mariner" is in sale since Monday, March 23, 2020. This item is in the category "Collectibles\Comics\Silver Age (1956-69)\Superhero\Fantastic Four". The seller is "dgallo1291" and is located in White Plains, New York. This item can be shipped to United States.