Amazing Spider-Man #31 CGC Graded 4.5 Very Good +. 1st appearance of Gwen Stacey & Harry Osborn. CGC Grade 4.5 Very Good +. Written by Stan Lee with Art by Steve Ditko. This item is in the category "Collectibles\Comic Books & Memorabilia\Comics\Comics & Graphic Novels".The seller is "crazy-eli" and is located in this country: US. This item can be shipped to United States.