Muhammad Ali Autographed Framed I'm The Greatest Movie Poster PSA/DNA #AA01862. Mill Creek Sports Product ID: 129214. This is a framed Movie Poster, approximately 22x31 with the frame, that has been hand signed by Muhammad Ali.It has been authenticated by PSA/DNA and comes with their sticker and matching full page certificate of authenticity. Â NOTE: There are some minor indentations by the signature, and some small creases on the poster, as shown in the photos. Item type: The images and description are of the exact item you will receive. We have a full time retail store that has been open in the Seattle area since 1991. Mill Creek Sports 13616 Bothell Everett HWY Mill Creek, WA 98012. Powered by SixBit's eCommerce Solution. The item "Muhammad Ali Autographed Framed I'm The Greatest Movie Poster PSA/DNA AA01862" is in sale since Wednesday, May 26, 2021. This item is in the category "Sports Mem, Cards & Fan Shop\Autographs-Original\Boxing\Other Autographed Boxing Items". The seller is "millcreeksports" and is located in Bothell, Washington. This item can be shipped worldwide.