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  1. MLB Memorabilia
  2. Seattle Mariners
  3. Seattle Mariners Baseballs
  4. Signed
1 - 72 of 365
Baseballs
365 Items
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$1,543.99
Ichiro Suzuki, Ken Griffey Jr., Edgar Martinez Autographed Official MLB Baseball Seattle Mariners "HOF 16, HOF 19, HOF 25" IS Holo & Beckett BAS Witness Stock #238305
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$614.99
Ken Griffey Jr Autographed Hall of Fame Logo HOF Signed Baseball Beckett COA With Display Case
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$461.99
Ichiro Suzuki Autographed Official MLB Baseball Seattle Mariners IS Holo & Beckett BAS Witness Stock #235458
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$817.99
Randy Johnson Signed 2001 World Series Baseball *WS MVP* BAS Witnessed
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$1,090.99
Randy Johnson Signed 2001 World Series Baseball WSMLB w/ "WS Champ MVP 2001" BAS
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$307.99
Edgar Martinez Autographed Official MLB Baseball Seattle Mariners "The Double 10-9-95" Beckett BAS Witness Stock #252424
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$384.99
Randy Johnson Autographed Official Hall of Fame HOF Logo Baseball Seattle Mariners Beckett BAS Witness Stock #252423
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$538.99
Ken Griffey Jr. Autographed Official 1990 All Star Game Logo Game Baseball Seattle Mariners (First ASG) Beckett BAS Witness Stock #252426
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$430.99
Randy Johnson Autographed Official MLB Baseball Seattle Mariners "HOF 15" Beckett BAS Witness Stock #252421
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$461.99
Ken Griffey Jr. Autographed Official MLB Baseball Seattle Mariners Beckett BAS Witness Stock #252425
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$625.99
Ichiro Suzuki Signed Official Gold Glove Baseball JSA Sticker ONLY HOF Mariners
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$463.99
Ichiro Suzuki Signed Baseball OMLB Mariners HOF #51 Inscription Autograph JSA
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$693.99
Ken Griffey Jr. & Sr. Autographed Official MLB Baseball Seattle Mariners "Back To Back HR 9/14/90" Beckett BAS Witness Stock #252420
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$635.99
Ichiro Suzuki Autographed Official Hall Of Fame MLB Baseball - BAS
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$734.99
Ichiro Suzuki Signed Official MLB Baseball Mariners HOF 25 Autograph BAS COA
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$479.99
Ken Griffey Jr. Mariners Signed Autographed A.l. Baseball Beckett Auth
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$538.99
Ichiro Suzuki Autographed Official Hall of Fame HOF Logo MLB Baseball Seattle Mariners IS Holo & "#51" Beckett BAS Witness Stock #246185
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$599.99
Ichiro Suzuki & Jose Lopez Dual Signed Rawlings 2006 All Star Game Logo Baseball - (Beckett)
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$349.99
Julio Rodríguez Seattle Mariners Autographed Framed Baseball Shadowbox Collage
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$519.99
Julio Rodriguez & Cal Raleigh Seattle Mariners Autographed Framed Two Baseball Shadowbox Collage
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$616.99
Ichiro Suzuki Autographed Official MLB Baseball Seattle Mariners "01 MVP" IS Holo Stock #202064
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$770.99
Ichiro Suzuki Autographed Official MLB Baseball Seattle Mariners "MLB Debut 4-2-01" IS Holo Stock #212161
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$461.99
Ichiro Suzuki Autographed Official Hall of Fame HOF Logo MLB Baseball Seattle Mariners IS Holo & Beckett BAS Witness QR Stock #238611
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$616.99
Ichiro Suzuki Autographed Official Hall of Fame HOF Logo MLB Baseball Seattle Mariners "HOF 25" IS Holo & Beckett BAS Witness QR Stock #238610
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$616.99
Ken Griffey Jr. Autographed Official MLB Baseball Seattle Mariners "HOF 16" Beckett BAS Witness Stock #212463
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$616.99
Ichiro Suzuki Autographed Official MLB Baseball Seattle Mariners "HOF 25" IS Holo & Beckett BAS Witness QR Stock #238307
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$693.99
Ichiro Suzuki Autographed Official MLB Baseball Seattle Mariners Signed in Kanji IS Holo & Beckett BAS Witness Stock #232833
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$616.99
Ichiro Suzuki Autographed Official MLB Baseball Seattle Mariners "01 ROY/MVP" IS Holo & Beckett BAS Witness Stock #232832
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$693.99
Ken Griffey Jr. & Ken Griffey Sr. Autographed Official MLB Baseball Seattle Mariners "Back To Back HR 9/14/90" Beckett BAS Witness Stock #230129
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$507.99
Ichiro Suzuki Autographed Official MLB Baseball Seattle Mariners "#51" IS Holo Stock #197033
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$538.99
Ichiro Suzuki Autographed Official 2001 All Star Game Logo Game Baseball Seattle Mariners "#51" IS Holo Stock #220214
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$616.99
Ken Griffey Jr. Autographed Official MLB Baseball Seattle Mariners "630 HRs" Beckett BAS Witness Stock #212461
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$538.99
Ichiro Suzuki Autographed Official 2005 All Star Game Logo MLB Game Baseball Seattle Mariners "#51" IS Holo & Beckett BAS Witness QR Stock #238325
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$616.99
Ken Griffey Jr. Autographed Official MLB Baseball Seattle Mariners "97 AL MVP" Beckett BAS Witness Stock #212460
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$616.99
Ichiro Suzuki Autographed Official Seattle Mariners Hall of Fame HOF Logo Baseball IS Holo Stock #209040
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$538.99
Ken Griffey Jr. Autographed Official Hall of Fame HOF Logo Baseball Seattle Mariners Beckett BAS Witness Stock #234580
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$616.99
Ichiro Suzuki Autographed Official MLB Baseball Seattle Mariners "01 ROY" IS Holo Stock #202067
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$461.99
Ichiro Suzuki Autographed Official 2023 All Star Game Baseball Seattle Mariners IS Holo Stock #212159
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$538.99
Ichiro Suzuki Autographed Official 2010 All Star Game Logo MLB Game Baseball Seattle Mariners "#51" IS Holo & Beckett BAS Witness QR Stock #238324
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$770.99
Ken Griffey Jr. Autographed Official MLB Baseball Seattle Mariners "MLB Debut 4-3-89" Beckett BAS Witness Stock #212459
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$538.99
Ichiro Suzuki Autographed Official 2001 All Star Game Baseball Seattle Mariners Under Logo IS Holo Stock #190508
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$770.99
Ichiro Suzuki Autographed 24 KT Gold Baseball Seattle Mariners "#51 10x GG" IS Holo Stock #190506
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$461.99
Ichiro Suzuki Autographed Official MLB Baseball Seattle Mariners IS Holo Stock #212163
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$693.99
Ken Griffey Jr. & Ken Griffey Sr. Autographed Official MLB Baseball Seattle Mariners "Back To Back HR 9/14/90" Tristar Holo & Beckett BAS Witness Stock #212465
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$693.99
Ichiro Suzuki Autographed Official Japanese League (NPB) Baseball Orix Blue Wave & Seattle Mariners "#51" IS Holo Stock #224731
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$538.99
Ichiro Suzuki Autographed Official 2006 All Star Game Logo MLB Game Baseball Seattle Mariners "#51" IS Holo & Beckett BAS Witness QR Stock #238326
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$616.99
Ken Griffey Jr. Autographed Official MLB Baseball Seattle Mariners "87 #1 Pick" Beckett BAS & MCS Holo Stock #194792
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$616.99
Ichiro Suzuki Autographed Official MLB Baseball Seattle Mariners "4367 Hits" IS Holo Stock #212162
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$616.99
Ichiro Suzuki Autographed Official MLB Baseball Seattle Mariners "3089" IS Holo Stock #202070
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$1,234.99
Ken Griffey Jr., Ichiro Suzuki & Edgar Martinez Autographed Official Hall of Fame HOF Logo MLB Baseball Seattle Mariners IS Holo & Beckett BAS Witness Stock #232835
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$538.99
Ichiro Suzuki Autographed Official 2001 All Star Game Baseball Seattle Mariners Sweet Spot IS Holo Stock #190507
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$616.99
Ichiro Suzuki & Fred Lynn Autographed Official MLB Baseball Baseball #/51 IS Holo & PSA/DNA Stock #101264
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$616.99
Ken Griffey Jr. Autographed Official MLB Baseball Seattle Mariners "97 MVP" Beckett BAS & MCS Holo Stock #194793
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$616.99
Ken Griffey Jr. Autographed Official MLB Baseball Seattle Mariners "HOF 16" Beckett BAS & MCS Holo Stock #194796
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$699.99
Ichiro Suzuki Seattle Mariners Autographed Baseball with "HOF 25" Inscription
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$501.99
Ken Griffey Jr JSA COA Autograph OAL American League Signed Baseball
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$507.99
Ichiro Suzuki Autographed Official MLB Baseball Seattle Mariners "#51" IS Holo & Beckett BAS Witness #2W996198
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$507.99
Ichiro Suzuki Autographed Official MLB Baseball Seattle Mariners "#51" IS Holo & Beckett BAS Witness #2W996199
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$546.99
Ichiro Suzuki Autographed MLB Hall of Fame HOF Signed Baseball Beckett COA With UV Display Case
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$538.99
Ichiro Suzuki Autographed Official 2003 All Star Game Logo Baseball Seattle Mariners "#51" IS Holo & Beckett BAS Witness #2W996197
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$1,832.99
Ichiro Suzuki 01 MVP/ROY HOF 25 Signed Mariners Team-Stitch Logo Baseball BAS
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$546.99
Ichiro Suzuki Autographed MLB Signed Baseball Beckett COA With UV Display Case
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$322.99
Randy Johnson JSA COA Autograph OAL American League Signed Baseball
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$322.99
Randy Johnson JSA COA Autograph OML Major League Signed Baseball
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$2,473.99
Ichiro Suzuki Mariners Yankees Marlins Team Stitch Logo Signed Baseball Set BAS
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$750.99
Ichiro Suzuki Autographed MLB Hall of Fame HOF 25 Signed Baseball Beckett COA With UV Display Case
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$538.99
Ichiro Suzuki Autographed Official 2003 All Star Game Logo Baseball Seattle Mariners "#51" IS Holo & Beckett BAS Witness #2W996195
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$461.99
Ichiro Suzuki Autographed Official 2002 All Star Game Logo Baseball Seattle Mariners IS Holo & Beckett BAS Witness #2W996191
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$307.99
Ken Griffey Jr. Autographed Official AL Baseball Seattle Mariners Beckett BAS QR #BR51103
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$307.99
Ken Griffey Jr. Autographed Official AL Baseball Seattle Mariners Beckett BAS QR #BR51024
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$925.99
Ichiro Suzuki Autographed Official MLB Baseball Seattle Mariners "#51" Vintage Rookie Era Signature Beckett BAS QR #BR51055
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$507.99
Ken Griffey Jr Ken Griffey Sr Signed Auto Rawlings Baseball JSA LOA ZZ23037