The Item comes with a COA From JSA. One Of Ebays Preferred 3rd Party Authenticators. The item "Game Of Thrones THE MOUNTAIN Thor Bjornsson Movie Prop Mask + JSA COA" is in sale since Tuesday, September 17, 2019. This item is in the category "Movies & TV\Movie Memorabilia\Autographs". The seller is "atg_memorabilia" and is located in Brisbane, Queensland.This item can be shipped worldwide.