Official American League (Cronin) ball signed in blue ink (averaging 6/10) by the following 23 members of the 1966 American League All-Star team: Harmon Killebrew, Catfish Hunter, Carl Yastrzemski, Al Kaline, Frank Robinson, Brooks Robinson, Jim Kaat, Tony Oliva, Tommie Agee, George Scott, Sonny Siebert, Bob Knoop, Jim Fregosi, Pete Richert, Earl Battey, Andy Etchebarren, Mel Stottlemyre, Hank Bauer (coach), Gary Bell, Sam Mele (Mgr., sweet spot), Steve Barber, Rocky Colavito, and Bobby Richardson. This ball originates directly from the personal collection of Al Kaline and is accompanied by a COPY of a signed letter of provenance from Kaline's son, Mark. Excellent to Mint condition.