Fantastic Four #4 CGC 1.0 VINTAGE Marvel KEY 1st Silver Age Sub-Mariner. Please feel free to confirm C. Verification number on front of slab. Please see pictures for the condition of the cgc holder.The item "Fantastic Four #4 CGC 1.0 VINTAGE Marvel KEY 1st Silver Age Sub-Mariner" is in sale since Wednesday, September 15, 2021. This item is in the category "Collectibles\Comic Books & Memorabilia\Comics\Comics & Graphic Novels". The seller is "catalinapottery23" and is located in Scottsdale, Arizona. This item can be shipped to United States.