Corbin Bernsen Autographed Major League Movie Poster. The Corbin Bernsen Autographed Major League Movie Poster is certified authentic by SuperStar Greetings. Each signing event held by SuperStar Greetings is well documented. Included with this item is a SuperStar Greetings Certificate of Authenticity, a photograph from the actual signing event when it took place, and a security system of 3 tamper-resistant holograms. A hologram is applied to the COA, the item itself, and the photo from the signing event.