Vintage Rare 1970s The Steranko History of Comics #2 Wrap Around Cover SIGNED

Selling a Vintage Rare 1970s "The Steranko History of Comics" (#2) Wrap Around Book Cover, Autographed by Jim Steranko. It measures 14.25" (h) x 21.5" (w), and includes an array of Golden and Silver Age comic book heroes, such as Superman, Batman, Captain America, Captain Marvel, The Shadow, The Human Torch, and many more. Piece was never used as a book cover. It was stored away, rolled up. Corners have slight wear, and there are two brown marks on the back of the cover (shown in the last picture). Jim Steranko's signature is on the bottom right, above Captain America's Shield (with "To Sebastian").