An official Major League Baseball hand signed by former Oakland Athletics 3 x World Series Champ BERT CAMPANERIS. The signature is in blue pen . CAMPY was a member of the 3 World Series Championship teams and was a 6 x All Star!. This ball was signed at a private signing with us. This would make a great addition to any Campaneris or Athletics collection! This item is guaranteed to be 100% authentic and will include a store COA from JSA authentication.