The authenticity can be verified on Beckett Authentication Services website. 3x5 Index Card This Autographed 3x5 Index Card Framed Display has been Personally Signed by Paul Hogan & Linda Kozlowski of Crocodile Dundee. This item is 100% Authentic to include a Certificate of Authenticity (COA) / hologram by Beckett Authentication Services. The authenticity can be verified on Beckett Authentication Services website. This item has been professionally framed to overall dimensions of approximately 20.5 x 25.5 inches.