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  1. baseball Memorabilia
  2. Seattle Mariners
  3. Seattle Mariners Baseballs
  4. Signed
  5. Sale Items
1 - 72 of 750
Baseballs
750 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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$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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$384.99
Randy Johnson Autographed Official Hall of Fame HOF Logo Baseball Seattle Mariners Beckett BAS Witness Stock #252423
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$461.99
Ken Griffey Jr. Autographed Official MLB Baseball Seattle Mariners Beckett BAS Witness Stock #252425
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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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$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
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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$158.99
ANDRES MUNOZ (Mariners) Signed Official 2025 ALL-STAR Baseball Beckett (BAS)
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$625.99
Ichiro Suzuki Signed Official Gold Glove Baseball JSA Sticker ONLY HOF Mariners
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$190.99
CARL EVERETT (Sox) Signed Official 2005 WORLD SERIES Baseball Beckett BAS w/ INS
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$463.99
Ichiro Suzuki Signed Baseball OMLB Mariners HOF #51 Inscription Autograph JSA
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$190.99
EDGAR MARTINEZ (Mariners) Signed Official HALL OF FAME Baseball Beckett (BAS)
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$295.99
George Kirby Signed Official Baseball JSA COA ROMLB Seattle Mariners Rookie Auto
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$34.99
Ricky Jordan Signed Auto Rawlings Baseball B160
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$34.99
Ricky Jordan Signed Auto Rawlings Baseball B160 VIII
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$34.99
Ricky Jordan Signed Auto Rawlings Baseball B160 VII
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$34.99
Ricky Jordan Signed Auto Rawlings Baseball B160 I
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$34.99
Ricky Jordan Signed Auto Rawlings Baseball B160 VI
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$34.99
Ricky Jordan Signed Auto Rawlings Baseball B160 IV
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$34.99
Ricky Jordan Signed Auto Rawlings Baseball B160 V
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$34.99
Ricky Jordan Signed Auto Rawlings Baseball B160 III
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$34.99
Ricky Jordan Signed Auto Rawlings Baseball B160 II
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$64.99
Carl Everett Signed American League Ball JSA Authenticated
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$217.99
Edgar Martinez Autographed Seattle Mariners OML Baseball HOF Beckett 51577
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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
Dylan Moore Signed Official Gold Glove Baseball Seattle Mariners JSA Auth
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$238.99
Bryan Woo signed 2025 MLB ASG All-Star Baseball Mariners autograph ~ JSA COA
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$635.99
Ichiro Suzuki Autographed Official Hall Of Fame MLB Baseball - BAS
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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 Jsa
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$111.99
Logan Gilbert Mariners Signed Autographed M.l. Baseball Beckett
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$734.99
Ichiro Suzuki Signed Official MLB Baseball Mariners HOF 25 Autograph BAS COA
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$286.99
Andres Munoz Signed Official Major League Baseball Seattle Mariners JSA Auth #2
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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
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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 #2
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$286.99
George Kirby Signed Official Major League Baseball Seattle Mariners JSA Auth
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$479.99
Ken Griffey Jr. Mariners Signed Autographed A.l. Baseball Beckett Auth
$44.99
Greg Halman Autographed Ball - Rookiegraph PSA DNA
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$199.99
Julio Rodriguez Seattle Mariners Autographed Rawlings Baseball
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$44.99
Hisashi Iwakuma Autographed Official Opening Series Logo Baseball Seattle Mariners MLB Holo Stock #22715
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$38.99
Jay Buhner Autographed Official MLB Baseball Seattle Mariners MCS Holo #64090
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$38.99
Jay Buhner Autographed Official MLB Baseball Seattle Mariners MCS Holo #64091
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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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$99.99
Bobby Thigpen Signed Rawlings Official MLB Baseball w/57 Saves 1990
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$36.99
Mike Leake Signed Baseball - cardinals giants Romlb M l W coa
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$24.99
Matt Lawton Signed Official OMLB Baseball Auto
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$24.99
Gordon Beckham Signed Official OMLB Baseball Auto
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$22.99
David Bell Autographed Official League Baseball Seattle Mariners SKU #243134
$59.99
Jesse Winker Autographed Official MLB Baseball New York Mets MCS Holo Stock #208184
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$31.99
Jeff Harris Autographed Baseball - Indians M l W coa
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$28.99
David Bell Autographed Official MLB Baseball Seattle Mariners MCS Holo #87014
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$29.99
Clint Nageotte Signed Baseball - Tristar COA C
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$29.99
Clint Nageotte Autographed Baseball - M l W coa
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$32.99
Jesus Montero New York Yankees / Seattle Mariners Signed Oml Baseball
$59.99
Tayler Saucedo Autographed Official MLB Baseball Seattle Mariners MCS Holo Stock #220624
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$599.99
Ichiro Suzuki & Jose Lopez Dual Signed Rawlings 2006 All Star Game Logo Baseball - (Beckett)
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$38.99
Bret Boone Autographed Official League Baseball Seattle Mariners MCS Holo #87261
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$38.99
Luis Castillo Autographed Official Major League Baseball
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$38.99
Mike Cameron Autographed Official 2001 All Star Game Commemorative Baseball Seattle Mariners MCS Holo #87259
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$38.99
Alex Liddi Autographed Ball - Official Team Italy Beckett BAS #H10338
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$35.99
Shane Monahan Seattle Mariners Signed Autograph Arizona Fall Baseball PSA DNA
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$38.99
Jesus Montero Signed Baseball OMLB NY Yankees Mariners Catcher Autograph TPG