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  1. MLB Memorabilia
  2. Seattle Mariners
  3. Seattle Mariners Baseballs
  4. over $60
  5. Signed
1 - 72 of 652
Baseballs
652 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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$249.99
Cal Raleigh Seattle Mariners Autographed 2025 MLB Home Run Derby Moneyball
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$209.99
Cal Raleigh Seattle Mariners Autographed Baseball and Sublimated Gold Glove Display Case with Image
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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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$249.99
Cal Raleigh Seattle Mariners Autographed 2025 MLB Home Run Derby Logo Baseball
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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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$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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$276.99
Edgar Martinez Autographed Official 2001 All Star Game Logo MLB Game Baseball Seattle Mariners Beckett BAS Witness Stock #252404
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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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$461.99
Ken Griffey Jr. Autographed Official MLB Baseball Seattle Mariners Beckett BAS Witness Stock #252425
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$158.99
LOGAN GILBERT (Mariners) Signed Official 2024 ALL-STAR Baseball Beckett (BAS)
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$141.99
LOGAN GILBERT (Seattle Mariners) Signed Official MLB Baseball Beckett (BAS)
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$190.99
EDGAR MARTINEZ (Mariners) Signed Official HALL OF FAME Baseball Beckett (BAS)
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$217.99
Edgar Martinez Autographed Seattle Mariners OML Baseball HOF Beckett 51577
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$64.99
Carl Everett Signed American League Ball JSA Authenticated
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$158.99
ANDRES MUNOZ (Seattle Mariners) Signed Official MLB Baseball Beckett (BAS)
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$158.99
LUIS CASTILLO (Seattle Mariners) Signed Official MLB Baseball Beckett (BAS)
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$158.99
ANDRES MUNOZ (Mariners) Signed Official 2025 ALL-STAR Baseball Beckett (BAS)
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$190.99
CARL EVERETT (Sox) Signed Official 2005 WORLD SERIES Baseball Beckett BAS w/ INS
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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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$295.99
George Kirby Signed Official Baseball JSA COA ROMLB Seattle Mariners Rookie Auto
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$238.99
Bryan Woo signed 2025 MLB ASG All-Star Baseball Mariners autograph ~ JSA COA
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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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$286.99
Andres Munoz Signed Official Major League Baseball Seattle Mariners JSA Auth
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$286.99
Logan Gilbert Signed Official Major League Baseball Seattle Mariners JSA Auth #2
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$734.99
Ichiro Suzuki Signed Official MLB Baseball Mariners HOF 25 Autograph BAS COA
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$286.99
Dylan Moore Signed Official Gold Glove Baseball Seattle Mariners JSA Auth
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$635.99
Ichiro Suzuki Autographed Official Hall Of Fame MLB Baseball - BAS
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$199.99
Julio Rodriguez Seattle Mariners Autographed Rawlings Baseball
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$111.99
Logan Gilbert Mariners Signed Autographed M.l. Baseball Jsa
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$286.99
Andres Munoz Signed Official Major League Baseball Seattle Mariners JSA Auth #2
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$195.99
Harry Ford Signed Official Major League Baseball Seattle Mariners JSA Auth
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$286.99
Logan Gilbert Signed Official Major League Baseball Seattle Mariners JSA Auth
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$286.99
George Kirby Signed Official Major League Baseball Seattle Mariners JSA Auth
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$99.99
Bobby Thigpen Signed Rawlings Official MLB Baseball w/57 Saves 1990
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$111.99
Logan Gilbert Mariners Signed Autographed M.l. Baseball Beckett
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$111.99
Logan Gilbert Mariners Signed Autographed M.l. Baseball Beckett
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$479.99
Ken Griffey Jr. Mariners Signed Autographed A.l. Baseball Beckett Auth
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$599.99
Ichiro Suzuki & Jose Lopez Dual Signed Rawlings 2006 All Star Game Logo Baseball - (Beckett)
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$90.99
Signed Kazuhiro Sasaki Baseball - Official In Staedtler Beckett BAS Stock #115092
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$121.99
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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$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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$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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$693.99
Ichiro Suzuki Autographed Official MLB Baseball Seattle Mariners Signed in Kanji IS Holo & Beckett BAS Witness Stock #232833
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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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$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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$538.99
Ichiro Suzuki Autographed Official 2001 All Star Game Logo Game Baseball Seattle Mariners "#51" IS Holo Stock #220214
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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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$121.99
Bryce Miller Autographed Official MLB Baseball Seattle Mariners "MLB Debut 5/2/23" MCS Holo Stock #234566
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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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$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 "97 MVP" Beckett BAS & MCS Holo Stock #194793
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$249.99
Cal Raleigh Seattle Mariners Autographed 2025 MLB All-Star Game Logo Baseball
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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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$152.99
Autographed Kazuhiro Sasaki Ball - Official English & Kanji In Staedtler Beckett BAS Stock #115093
$75.99
Cade Marlowe Autographed Official MLB Baseball Seattle Mariners MCS Holo Stock #222012
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$90.99
Bryce Miller Autographed Official MLB Baseball Seattle Mariners MCS Holo Stock #234568
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$121.99
Kazuhiro Sasaki Autographed Ball - Official 2001 All Star In Staedtler Beckett BAS Stock #115088
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$90.99
Jose Lopez Autographed Official MLB Baseball Seattle Mariners 12 Count Lot MCS Holo Stock #238533
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$71.99
Autographed MACKEY SASSER Official Major League Baseball
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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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$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 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
Ichiro Suzuki Autographed Official MLB Baseball Seattle Mariners "01 MVP" IS Holo Stock #202064