Sandy Koufax Signed MLB Baseball PSA Authenticated MINT 9Est. $1,833-$2,382
Mickey Mantle Signed Official AL Baseball PSA DNA MINT 9Est. $2,418-$3,143
1934 New York Yankees Team Signed Baseball with Ruth Gehrig JSA COAEst. $23,205-$30,166
1955 Chicago White Sox Team Baseball with Nellie Fox PSA DNA COAEst. $806-$1,047
Freddie Freeman Signed 2025 World Series Baseball Dodgers Fanatics AuthenticatedEst. $923-$1,199
Bo Jackson Signed Oakland Raiders NFL Football with Beckett AuthenticationEst. $546-$709
Roberto Clemente 1972 Pirates Team Signed Baseball BAS AuthenticatedEst. $2,990-$3,887
Tom Seaver 300th Win Inscribed Baseball #5/12 PSA DNA COAEst. $1,261-$1,639
Mariano Rivera Signed Game Used Baseball 598th Save Steiner COA MLB AuthenticEst. $1,261-$1,639
Stephen Curry Autographed Baseball PSA/DNA Authentic Warriors MemorabiliaEst. $988-$1,284
1940s Charlie Keller Signed Baseball PSA/DNA AuthenticEst. $520-$676
1962 Columbus Jets Signed Baseball with Willie Stargell PSA AuthenticatedEst. $1,560-$2,028
Sandy Koufax Don Drysdale Signed NL Baseball Dodgers JSA AuthenticEst. $1,417-$1,842
George Kelly Signed Vintage American League Baseball with JSA COAEst. $1,963-$2,551
Paddy Livingston Signed Baseball 1910 1911 World Series Champ PSA AuthenticatedEst. $2,418-$3,143
Willie Mays Signed Major League Baseball PSA DNA Gem Mint 10Est. $1,378-$1,791
1949 New York Yankees Signed Baseball Joe DiMaggio and 24 OthersEst. $689-$895
St. Louis Cardinals 1961 Team Autographed NL Baseball With Beckett LetterEst. $520-$676
1994 Mariano Rivera Pre Rookie Signed Minor League Baseball Beckett COAEst. $910-$1,183
1972-73 New York Knicks Signed Championship Basketball UDA COAEst. $2,418-$3,143
1943 St. Louis Cardinals Team Signed Baseball 22 Autographs JSA COAEst. $1,443-$1,875
1915 Signed Baseball Christy Mathewson Babe Ruth Ty Cobb Ban Johnson PSAEst. $144,456-$187,792
1955 Brooklyn Dodgers Team Signed Baseball Jackie Robinson JSA COA 23 SignaturesEst. $11,661-$15,159
Sandy Koufax Signed MLB Baseball with 11 Pitcher Autographs PSA/DNAEst. $3,003-$3,903
