Muhammad Ali over Sonny Liston Autographed 20 x 30 size Photo in Color, Art Print, Ali co.Cert, Iconic Photo of Ali over Sonny Liston. And this is a Huge photo, 20 x 30 in size! Simple beautiful. Comes fully certified with Certificate of Authenticity from Ali company.Tamper-evident hologram. Also backed by iconsofboxing.com Authenticity Guarantee.