Interesting baseball, signed by a variety of stars and Hall of Famers in both ballpoint and fiber tip marker. From the collection of former pitcher, coach and executive Clyde King, the signatures likely originated from some sort of official event, though that has been lost to time.  The most clear and dominant signature is a beautiful sweet spot Mickey Mantle, applied in black fiber tip marker on the sweet spot, where it stands alone. Other signatures include Bob Gibson (HOF), Al Kaline (HOF), George Brett (x2, one fiber tip and one faded ballpoint), Steve Busby, Clint Hurdle, Paul Splittorff (ballpoint), Carl Yastrzemski (HOF - ballpoint), Jim Frey, Vada Pinson, Saduharu Oh, Sal Bando, and Hal MacRae. Full LOA from James Spence Authentication.