This baseball has been personally hand-signed by walker buehler. it has been obtained under the auspices of the major league baseball authentication program and can be verified by its numbered hologram at mlb.com. it also comes with an individual numbered, tamper-evident hologram from fanatics authentic. this process helps to ensure that the product purchased is authentic and eliminates any possibility of duplication or fraud.made in the usapersonally autographed by walker buehlerfanatics authentic presented by mounted memoriesincludes tamper-evident hologram to ensure authenticityofficially licensedthis product is guaranteed authentic and includes a fanatics certificate of authenticity and an accompanying tamper-evident fanatics hologram.