JUSTICE LEAGUEOF AMERICA #1 CGC 4.0. (10-11/60); DC comics; Origin and 1. This book is an excellent mid grade copy with great eye appeal.Slab is in great shape. My collection spans from the 1940's to present and consists of over 50,000 comic books and from Marvel and DC Comics publishers. Most will be mid-to-high grade comic books. Please see my About Me page for more information and a list of my other items. The item "Justice League of America #1 (Oct-Nov 1960, DC) CGC 4.0 Silver Age Key" is in sale since Sunday, March 25, 2018. This item is in the category "Collectibles\Comics\Silver Age (1956-69)\Superhero\Justice League of America". The seller is "icepiratesean" and is located in Ajax, Ontario. This item can be shipped to United States, Canada, United Kingdom.