This was obtained in person when he was promoting Cowboys and Aliens in London. This item has been authenticated and certified by the top autograph experts at AutographCOA (ACOA) Authentication. Verifification can be provided by visiting the AutographCOA website and doing a search with the unique very code you shall receive on the certificate. Any questions please do message me.The sticker is on the back of the photo. Harrison Ford Blade Runner Signed Autograph 8x10 photo - ACOA COA.