Avengers #4 1st Silver Age App. Captain America Marvel Comic 1964 slab is mint. The item "Avengers #4 1st Silver Age App. Captain America Marvel Comic 1964 CGC 2.5" is in sale since Wednesday, September 25, 2019.This item is in the category "Collectibles\Comics\Silver Age (1956-69)\Superhero\Avengers". The seller is "rguniverse" and is located in Seabrook, New Hampshire. This item can be shipped to United States.