This Hideki Matsuyama Autographed Masters Golf Ball - Prime One Sports Authentic comes with a Certificate of Authenticity (COA) from Seller. The product has been personally hand-signed by Hideki Matsuyama. Prime One Sports is an online leader in authentic Hideki Matsuyama signed memorabilia. Your order ships out same day. Commemorate the career of Hideki Matsuyama with a certified collectible at a great value.