Extraordinary team-signed ball of the '54 Braves boasts one of the earliest known signatures of Hank Aaron. From his rookie season, at age 20, he stepped right into the batting order and hit .280 with 13 homers and 69 RBIs. Providentially, or presciently, Aaron's signature rests on the sweet spot just under manager Charlie Grimm's, in distinct purple ink. In all 25 signatures, including fellow HOFers Ed Mathews and Warren Spahn, as well as Joe Adcock, Andy Pafko, Johnny Logan, Bill Bruton, Del Crandall, Gene Conley, Jim Pendleton, Jim Wilson, Roy Smalley, Bob Turley, Bob Buhl, Ernie Johnson, etc. Overall NRMT.