Home comic book graded Sub-Mariner Comics #020 CGC 6.0🔍 Sub-Mariner Comics #020 CGC 6.0Grade6.0$2,600.00 CAD In stock Sub-Mariner Comics #020 CGC 6.0 quantity Add to cart SKU: ITM935918 Categories: comic book, graded Tags: golden age (pre-1956), superhero Additional information Grade6.0Related productsJourney Into Mystery #124 $50.00 CADAdd to cart Journey Into Mystery #117 $40.00 CADAdd to cart Action Comics #251 $30.00 CADAdd to cart Action Comics #257 $25.00 CADAdd to cart