Home comic book Detective Comics #421🔍 Detective Comics #421Grade5.0$20.00 CAD In stock Detective Comics #421 quantity Add to cart SKU: ITM819287 Categories: comic book, raw Tags: bronze age (1970-79), superhero Additional information Grade5.0Related productsDC Special #001 $50.00 CADAdd to cart Action Comics #245 $45.00 CADAdd to cart Action Comics #257 $25.00 CADAdd to cart Journey Into Mystery #120 $55.00 CADAdd to cart