He won three consecutive World Series titles as a member of the Oakland A s in the early 1970s and also won 2 consecutive titles with the New York Yankees. He was inducted into the Hall of Fame in 1993. This item is authenticated by All About Autographs. All About Autographs is a leading source for authentic sports and celebrity memorabilia. A Certificate of Authenticity accompanies the item and a tamper resistant holofoil is placed on both the item and the COA. The unique serial number on the holofoil is then registered in the All About Autographs Online Database which will list a detailed history for the item signed. All items will come with a photo from the signing when available. Type: Other Color: Multi Material: Other