Home comic book raw X-Men #031 🔍 X-Men #031 Grade 5.5 $50.00 CAD First appearance Cobalt Man. In stock X-Men #031 quantity Add to cart SKU: CSAITM635448 Categories: comic book, raw Tags: first appearance, silver age (1956-69), superhero Description Additional information First appearance Cobalt Man. Grade 5.5 Related products DC Special #006 $45.00 CAD Add to cart Action Comics #245 $45.00 CAD Add to cart Action Comics #282 $20.00 CAD Add to cart Journey Into Mystery #121 $50.00 CAD Add to cart