Nearly three-dozen Hall of Fame players signed the baseballs in this collection. Among them: Pie Traynor, Mickey Mantle, Ted Williams, Sandy Koufax, Bill Dickey, Mariano Rivera, Carl Hubbell, Hank Aaron & Sadaharu Oh dual-signed, Yogi Berra, Cal Ripken Jr., Rickey Henderson, Duke Snider, Whitey Ford, Bob Gibson, Reggie Jackson, Greg Maddux, Leo Durocher, Mike Piazza, Gary Carter, and more. Some are inscribed and authenticated. The overall signatures rate 7/10 and the balls are in excellent condition.