2015 Star Wars Celebration in Anaheim, 2014 London Film and comic con, 2015 & 2017 Lexington Comic con, 2017 Grand Rapids Con. Harrison Ford signed this poster during a private autograph signing in March of 2019.This signing was witnessed by a Beckett authentication representative and a authentication sticker is affixed on the back of the poster. A (Loa) Letter of authenticity from the Beckett authentication company (Steve Grad of Pawn Stars) will come with this signed poster for all 18 signatures. The loa number is; M89574. This authenticated poster can be verified on the Beckett website by the loa number. This is a full size reprint poster with authentic signatures. This is not a original 1983 movie poster. Steve Grad, formerly of the Psa/Dna company is a expert for Star Wars autographs. Only serious offers and buyers please. The item "Star Wars rotj cast signed movie poster harrison ford carrie fisher mark hamill" is in sale since Sunday, October 18, 2020. This item is in the category "Entertainment Memorabilia\Autographs-Original\Movies\Other Orig. The seller is "inkster_sports" and is located in Oak Creek, Wisconsin. This item can be shipped worldwide.