This Autographed 16x20 Framed Photo with the inscription of "Greatest Of All Time" has been Personally Signed by Muhammad Ali. This item is 100% Authentic and comes with a PSA/DNA Certification Card and a matching numbered Hologram. The authenticity can be verified on Professional Sports Authenticator website. This item has been professionally framed to overall dimensions of approximately 21.5 x 25.5 inches.