A nice lower grade copy of this Bob Kane classic! The item "Detective Comics #50 CGC 3.5 BOB KANE COVER + FULL-PAGE AD FOR WORLD'S BEST #1" is in sale since Saturday, September 21, 2019. This item is in the category "Collectibles\Comics\Golden Age (1938-55)\Superhero". The seller is "topcitycomics" and is located in Topeka, Kansas. This item can be shipped worldwide.