Muhammad Ali Empty That Glove! Muhammad Ali original signed Limited Edition animation cel. An original acetate animation cel with authentification seal. Signed by Muhammad Ali. A rare and seldom seen, sold out limited edition, originally produced in 1997. Bugs Bunny would need every trick to down Muhammad Ali. The cartoon icon is up against his biggest challenge in this cel. "Empty That Glove" is limited to only 650. This is no. 511 / 650. Fully authenticated with the official seal of Warner Bros to the lower right corner. Image size approx 325mm x 420mm + mount and frame. All rare and signed Muhammad Ali autographs are 100% authentic and come with an original letter of authenticity with matching hologram. Our Muhammad Ali signed memorabilia has been personally collected over many years and often comes direct from contacts associated with the boxer himself. Buy your original and genuine hand signed Muhammad Ali autographs from the home of Muhammad Ali memorabilia and the no.1 Muhammad Ali memorabilia expert here at RARE AND SIGNED.