Silver Age key - 1st SA Clayface. Major defects that bring this book down to 4.5 - hole punched in front cover & medium sized stain lower back cover. Please review the photos posted. The item "Detective Comics 298 CGC 4.5 1st Silver Age Clayface Key book" is in sale since Wednesday, September 9, 2020. This item is in the category "Collectibles\Comics\Silver Age (1956-69)\Superhero\Batman".The seller is "uctcom" and is located in New Hope, Pennsylvania. This item can be shipped to United States.