BULL, Simon, (American, 1958- ): ''The Champ'', Muhammad Ali, Acrylic and lithograph/Canvas, 30'' x 30'', signed lower right, and signed by Ali, signed and titled verso, framed 39'' x 38.50''. Online Authentics verified signature registry number OA-8324086, sticker lower right, can be verified at Onlineauthentics.com Provenance: Estate of Angelo Dundee, trainer for Muhammad Ali.