This Spalding Pro League baseball was signed by 26 members of the 1969 Baltimore Orioles. Signatures include:
Earl Weaver, Bill Hunter, Dave Leonhard, Jim Frey, George Bamberger, Ellie Hendricks, Tom Phoebus, Marcelino Lopez, Terry Crowley, Dave McNally, Mike Cuellar, Don Buford, Jim Palmer, Davey Johnson, Bob Floyd, Curt Motton, George Staller, Brooks Robinson, Jim Hardin, Mark Belanger, Andy Etchebarren, Chico Salmon, Merv Rettenmund, Pete Richert, Dick Hall and Ed Watt