It was Superman vs. Batman in an epic battle of two D.C. Comics Golden Age grails in a March Comic Connect auction. In the end, the Man of Steel prevailed.
An Action Comics #1, graded CGC 5.0, sold for £581,500. The origin and first appearance of Superman are what make this June 1938 book from D.C. Comics special (To see the lot, click here.)
Meanwhile, a Detective Comics #27 graded CGC 6.0 sold for £522,300. The May 1939 book, also from D.C. Comics, features the first appearance of Batman. (To see the lot, click here.)