Walking Dead #109 9.8 CGC Signature Series Signed by Robert Kirkman, Joe Quesada, and Mark Bagley Original Zombie Spiderman Sketch by Mark Bagley. The item "Walking Dead #109 CGC 9.8 SS Signed Robert Kirman with Mark Bagley Original Sketch" is in sale since Wednesday, August 29, 2018. This item is in the category "Collectibles\Comics\Original Comic Art\Drawings, Sketches". The seller is "scion3332012" and is located in San Antonio, Texas. This item can be shipped to United States.