Bidspirit auction | Detective Comics #466 CGC 9.0

Detective Comics #466 CGC 9.0 - Detective Comics #466 CGC 9.0 D.C. Comics, 12/76 Signalman appearance; Green Arrow backup story; Calculator and Elongated Man appearance. Len Wein & Bob Rozakis stories; Ernie Chan & Vince Colletta cover & art.