Detective Comics/Batman – Signed inside: Hamm, Cowan, Giordano December 6, 2017 | by pdaadmin | Detective Comics — Batman May 89 600 Signed inside: Hamm, Cowan, Giordano $150 Share this post Twitter Facebook Google+ LinkedIn Pinterest Email Recommended for You Vase CATALINA ISLAND 307 1959 MGA 1500 Roadster FOR SALE 1959 MGA Roadster 1500 Locally Crafted Myrtle Wood Fishing Boat & Trailer