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  1. MLB Memorabilia
  2. Seattle Mariners
  3. Seattle Mariners Baseballs
  4. Signed
1 - 56 of 56
Baseballs
56 Items
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LOGAN GILBERT (Seattle Mariners) Signed Official MLB Baseball Beckett (BAS)
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Logan Gilbert Mariners Signed Autographed M.l. Baseball Beckett
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Logan Gilbert Mariners Signed Autographed M.l. Baseball Jsa
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Logan Gilbert Mariners Signed Autographed M.l. Baseball Beckett
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Kazuhiro Sasaki Autographed Official MLB Baseball Seattle Mariners "2000 ROY" In Staedtler Beckett BAS Stock #115089
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$121.99
Jay Buhner Autographed Official MLB Baseball Seattle Mariners Beckett BAS Witness Stock #238595
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Kazuhiro Sasaki Autographed Ball - Official 2001 All Star In Staedtler Beckett BAS Stock #115088
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Robbie Ray Autographed Official MLB Baseball San Francisco Giants Beckett BAS QR Stock #205861
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Bryce Miller Autographed Official MLB Baseball Seattle Mariners "MLB Debut 5/2/23" MCS Holo Stock #234566
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Bryce Miller Autographed Official MLB Baseball Seattle Mariners "Miller Time!" MCS Holo Stock #234567
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Edgar Martinez Autographed Official MLB Baseball Seattle Mariners MCS Holo #64094
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Edgar Martinez Autographed Official MLB Baseball Seattle Mariners MCS Holo #87158
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Omar Vizquel Autographed Baseball - Jsa coa
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$146.99
Cliff Lee Autographed Ball - Wschamps Jsa coa
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Signed Kazuhiro Sasaki Ball - Official Beckett BAS #B26650
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Taylor Trammell signed Baseball PSA/DNA Seattle Mariners
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$107.99
Hisashi Iwakuma Autographed Baseball - Official Rawlings Major League COA
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Randy Arozarena Autographed Major League Baseball (Beckett)
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Taijuan "Sky" Walker Signed Official Baseball COA ROMLB Diamondbacks Mariners
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$144.99
Glenn Abbott Autographed Official Major League Baseball w/ "84 WS Champs
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STAN JAVIER "89 WS Champs" Autographed Official Major League Baseball
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Noelvi Marte Seattle Mariners Rookie Year Signed Autographed M.l. Baseball Bas
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Emerson Hancock Seattle Mariners Signed Auto M.l. Baseball Beckett Authenticated
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$106.99
Kazuhiro Sasaki Autographed Official MLB Baseball Seattle Mariners Beckett BAS QR #BH039074
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Mike Zunino Signed Baseball - Rookie Jsa J08440
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Emerson Hancock Seattle Mariners Signed 2022 Futures Game Baseball Beckett Authe
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$127.99
Noelvi Marte Seattle Mariners Rookie Year Signed Autographed M.l. Baseball Bas
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$122.99
2022 Washington Nationals Pit Pirates Game Used Baseball Andrew Knapp RBI GO
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$127.99
Nori Aoki Signed Ball - M l Psa Ab19807
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$121.99
Robinson Cano Signed Ball - Official 2014 All Star Game PSA DNA ITP #6A27755
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$145.99
Randy Arozarena Autographed 2023 Home Run Derby Major League Baseball (Beckett)
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$143.99
Autographed TY FRANCE Official Rawlings Major League Baseball
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$130.99
2014 Mariners Rangers Game Used Baseball Aaron Poreda Dustin Ackley RBI Double
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$111.99
Marco Gonzales Signed Ball - M l Beckett E32445
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$101.99
Justus Scheffield Signed Baseball PSA/DNA Seattle Mariners Autographed
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$116.99
Justus Sheffield signed baseball ins MLB Debut dated Yankees rookie Auto Steiner
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$144.99
Dee Gordon 2015 Batting Champ Mariners Marlins La Signed Auto Oml Baseball Jsa
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$141.99
LUIS CASTILLO (Mariners) Signed Official 2022 ALL-STAR Baseball Beckett (BAS)
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$135.99
Ken Griffey Sr. Signed/Auto Yankees 100th OML Baseball JSA 186734
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$111.99
Justin Smoak Signed Baseball - Giants rangers M l Beckett Z51466
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Emerson Hancock Seattle Mariners Signed 2022 Futures Game Baseball Beckett Authe
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$143.99
Autographed HAROLD BAINES "HOF 2019" Official Rawlings HOF Logo Major League Baseball JSA
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$111.99
Jorge Polanco Twins/ Mariners Signed Autographed M.l. Baseball Beckett Auth
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$143.99
STAN JAVIER "1st Interleague HR" Autographed Official Major League Baseball
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Randy Arozarena Autographed 2023 All Star Game Baseball (Beckett)
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$125.99
Yusei Kikuchi Autographed Official MLB Baseball Beckett COA W/ Cube Mariners
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$117.99
Signed Mark Trumbo Ball - Angels OML
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$111.99
Emerson Hancock Seattle Mariners Signed 2022 Futures Game Baseball Beckett Authe
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$143.99
Autographed FELIX HERNANDEZ Official Major League Baseball Tristar
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$111.99
Marco Gonzales Autographed Ball - M l Beckett E32447
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$111.99
Emerson Hancock Seattle Mariners Signed Auto M.l. Baseball Beckett Authenticated
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$111.99
Jorge Polanco Twins/ Mariners Signed Autographed M.l. Baseball Beckett Auth
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$135.99
Ken Griffey Sr. Signed/Auto Yankees 100th OML Baseball JSA 186734
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$127.99
Noelvi Marte Seattle Mariners Rookie Year Signed Autographed M.l. Baseball Bas
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$143.99
Luis Castillo Signed Baseball 2003 World Series (BAS BJ46761)
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$111.99
Michael Pineda Autographed Baseball - 2011 All Star Beckett Y1290
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