Home comic book Detective Comics #421 View cart “Journey Into Mystery #121” has been added to your cart. 🔍 Detective Comics #421 Grade 4.0 $20.00 CAD In stock Detective Comics #421 quantity Add to cart SKU: ITM755947 Categories: comic book, raw Tags: bronze age (1970-79), superhero Additional information Grade 4.0 Related products Action Comics #282 $20.00 CAD Add to cart Action Comics #257 $25.00 CAD Add to cart Fantastic Four #054 $70.00 CAD Add to cart Journey Into Mystery #117 $70.00 CAD Add to cart