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  1. MLB Memorabilia
  2. Seattle Mariners
  3. Ken Griffey Jr. Memorabilia
  4. Signed
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267 Items
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$1,697.99
Seattle Mariners Ken Griffey Jr. Autographed Framed Teal Nike Jersey "HOF 16" Beckett BAS Witness Stock #236528
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$616.99
Ken Griffey Jr. Autographed Framed 16x20 Photo Seattle Mariners Wall Catch Beckett BAS Witness Stock #243014
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$847.99
Ken Griffey Jr. & Ken Griffey Sr. Autographed Black Louisville Slugger Pro Stock Baseball Bat Seattle Mariners "Back To Back HR 9/14/90" Beckett BAS Witness Stock #230131
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$538.99
Ken Griffey Jr. & Sr. Autographed 16x20 Photo Seattle Mariners Back To Back Home Runs HR Beckett BAS Witness Stock #252442
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$461.99
Ken Griffey Jr. & Sr. Autographed 8x10 Photo Seattle Mariners Back To Back Home Runs HR Beckett BAS Witness Stock #252441
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$847.99
Ken Griffey Jr. & Sr. Autographed Black Louisville Slugger Pro Stock Baseball Bat Seattle Mariners "Back To Back HR 9/14/90" Beckett BAS Witness Stock #252417
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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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$1,017.99
Ken Griffey Jr Mariners Signed In Teal Louisville Slugger Game Model Bat BAS
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$461.99
Ken Griffey Jr. Autographed Official MLB Baseball Seattle Mariners Beckett BAS Witness Stock #252425
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$544.99
Ken Griffey Jr. & Griffey Sr. Signed 1989 Bowman Rookie Card 259 BAS 10 Grade
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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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$479.99
Ken Griffey Jr. Mariners Signed Autographed A.l. Baseball Beckett Auth
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$1,234.99
Ken Griffey Jr. Autographed 1987 Bellingham Mariners Rookie Card #15 BGS 9 Auto Grade Gem Mint 10 Beckett BAS #14727252
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Ken Griffey Jr. Autographed 1987 Bellingham Mariners Rookie Card #15 BGS 9 Auto Grade Gem Mint 10 Beckett BAS #14727254
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Ken Griffey Jr. Autographed 1987 Bellingham Mariners Rookie Card #15 BGS 9 Auto Grade Gem Mint 10 Beckett BAS #14727277
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$1,234.99
Seattle Mariners Ken Griffey Jr. Autographed White Nike Cooperstown Edition Jersey HOF Patch Size L Beckett BAS QR Stock #206023
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$538.99
Ken Griffey Jr. & Sr. Autographed 1989 Bowman Rookie Card #259 Auto Grade Gem Mint 10 Beckett BAS Stock #233956
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$1,079.99
Seattle Mariners Ken Griffey Jr. Autographed White Nike Jersey Size L Beckett BAS & MCS Holo Stock #194790
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$1,234.99
Seattle Mariners Ken Griffey Jr. Autographed White Nike Cooperstown Edition Jersey Retirement Patch Size L Beckett BAS QR Stock #206019
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$1,079.99
Seattle Mariners Ken Griffey Jr. Autographed Teal Nike Jersey Size L Beckett BAS Witness Stock #212481
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Seattle Mariners Ken Griffey Jr. Autographed Teal Nike Jersey Size M Beckett BAS Witness Stock #230141
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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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$1,079.99
Seattle Mariners Ken Griffey Jr. Autographed Red Authentic Mitchell & Ness 1997 All Star Game Jersey Size L Jackie Robinson Patch Beckett BAS Witness Stock #212471
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$1,079.99
Seattle Mariners Ken Griffey Jr. Autographed White Nike Jersey Size XL Beckett BAS & MCS Holo Stock #194791
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$538.99
Ken Griffey Jr. Autographed Official Gold Glove Logo Baseball Seattle Mariners Beckett BAS Witness Stock #206029
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$1,079.99
Autographed Ken Griffey Jr. Jersey - Teal Nike Size XL Beckett BAS & MCS Holo Stock #185663
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$1,234.99
Seattle Mariners Ken Griffey Jr. Autographed White Nike Cooperstown Edition Jersey Retirement Patch Size XXL Beckett BAS QR Stock #206021
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$1,079.99
Seattle Mariners Ken Griffey Jr. Autographed Cream Nike 2023 All Star Game Patch Jersey Size XXL Beckett BAS Witness Stock #230140
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$925.99
Autographed Ken Griffey Jr. Jersey - Red Mitchell & Ness Turn Forward The Clock Size 48 Beckett BAS & MCS Holo Stock #185666
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$368.99
Ken Griffey Jr. Autographed Hall of Fame HOF Plaque Postcard Seattle Mariners Thin Signature Beckett BAS Stock #211250
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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 Framed 16x20 Photo Seattle Mariners Swing Beckett BAS QR Stock #235662
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$461.99
Ken Griffey Jr. Autographed 1989 Classic Travel Purple Rookie Card #193 Seattle Mariners Auto Grade Gem Mint 10 Beckett BAS Stock #206760
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$1,234.99
Seattle Mariners Ken Griffey Jr. Autographed Teal Nike Jersey Size L "HOF 16" Beckett BAS Witness Stock #230148
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$461.99
Ken Griffey Jr. Autographed 1989 Donruss The Rookies Rookie Card #3 Seattle Mariners Auto Grade Gem Mint 10 Beckett BAS Stock #206764
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$152.99
Ken Griffey Jr Autographed 4"x7" Photo Seattle Mariners Beckett BAS #18284487
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$461.99
Ken Griffey Jr. Autographed 16x20 Photo Seattle Mariners Beckett BAS QR #BS30385
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$399.99
Ken Griffey Jr. Autographed 16x20 Photo Seattle Mariners Beckett BAS QR #BS30386
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$1,234.99
Seattle Mariners Ken Griffey Jr. Autographed Cream Nike 2023 All Star Game Patch Jersey Size L "HOF 16" Beckett BAS Witness Stock #230146
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$1,234.99
Seattle Mariners Ken Griffey Jr. Autographed Teal Authentic Mitchell & Ness 1995 Authentic Cooperstown Collection Jersey Size L Negro League Patch Beckett BAS Witness Stock #212469
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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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$847.99
Ken Griffey Jr. Autographed Black Louisville Slugger Player Model C271 Swingman Baseball Bat Seattle Mariners (Scratches) Beckett BAS Witness Stock #234590
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$1,234.99
Seattle Mariners Ken Griffey Jr. Autographed White Authentic Mitchell & Ness 1989 Authentic Cooperstown Collection Jersey Size XL Beckett BAS Witness Stock #212478
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$1,234.99
Seattle Mariners Ken Griffey Jr. Autographed White Authentic Mitchell & Ness 1989 Authentic Cooperstown Collection Jersey Size L Beckett BAS Witness Stock #212477
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$1,079.99
Signed Ken Griffey Jr. Jersey - White Nike Throwback Size XXL Beckett BAS & MCS Holo Stock #185605
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$1,079.99
Seattle Mariners Ken Griffey Jr. Autographed Teal Nike Jersey Size XL Beckett BAS Witness Stock #212480
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$1,079.99
Seattle Mariners Ken Griffey Jr. Autographed Red Authentic Mitchell & Ness 1997 All Star Game Jersey Size XL Jackie Robinson Patch Beckett BAS Witness Stock #212470
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$1,234.99
Seattle Mariners Ken Griffey Jr. Autographed White Nike Cooperstown Edition Jersey HOF Patch Size XL Beckett BAS QR Stock #206024
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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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$925.99
Seattle Mariners Ken Griffey Jr. Autographed Black Nike Jersey Size L Beckett BAS Witness Stock #230135
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$847.99
Ken Griffey Jr. Autographed Black Louisville Slugger Player Model C271 Swingman Baseball Bat Seattle Mariners (Scratches) Beckett BAS Witness Stock #234591
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$1,079.99
Ken Griffey Jr. Signed Jersey - Teal Nike Size L Beckett BAS & MCS Holo Stock #185615
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$415.99
Ken Griffey Jr. Autographed 1990 Leaf Card #245 Seattle Mariners Auto Grade Gem Mint 10 Beckett BAS Stock #206792
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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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$1,234.99
Seattle Mariners Ken Griffey Jr. Autographed Teal Authentic Mitchell & Ness 1995 Authentic Cooperstown Collection Jersey Size XL Negro League Patch Beckett BAS Witness Stock #212468
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$1,079.99
Seattle Mariners Ken Griffey Jr. Autographed White Majestic Cool Base Jersey Retirement Patch Size L Beckett BAS QR Stock #206026
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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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$925.99
Seattle Mariners Ken Griffey Jr. Autographed Black Nike Jersey Size XL Beckett BAS Witness Stock #230136
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$1,234.99
Seattle Mariners Ken Griffey Jr. Autographed White Authentic Mitchell & Ness 1989 Authentic Cooperstown Collection Jersey Size XL Beckett BAS Witness Stock #212476
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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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$1,234.99
Seattle Mariners Ken Griffey Jr. Autographed White Nike Cooperstown Edition Jersey Retirement Patch Size M Beckett BAS QR Stock #206018
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$1,079.99
Seattle Mariners Ken Griffey Jr. Autographed Cream Nike 2023 All Star Game Patch Jersey Size M Beckett BAS Witness Stock #230137
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$1,234.99
Seattle Mariners Ken Griffey Jr. Autographed White Authentic Mitchell & Ness 1989 Authentic Cooperstown Collection Jersey Size L Beckett BAS Witness Stock #212479
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$1,079.99
Seattle Mariners Ken Griffey Jr. Autographed Black Nike Jersey Size L "HOF 16" Beckett BAS Witness Stock #230150
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$1,079.99
Seattle Mariners Ken Griffey Jr. Autographed Cream Nike 2023 All Star Game Patch Jersey Size XL Beckett BAS Witness Stock #230139
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$1,234.99
Seattle Mariners Ken Griffey Jr. Autographed White Nike Cooperstown Edition Jersey HOF Patch Size M Beckett BAS QR Stock #206022
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$461.99
Ken Griffey Jr. Autographed 1987 International Header Rookie Card Bellingham Mariners Auto Grade Gem Mint 10 Beckett BAS Stock #233971
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$415.99
Ken Griffey Jr. Autographed Hall of Fame HOF Plaque Postcard Seattle Mariners Auto Grade Gem Mint 10 Beckett BAS Stock #234426
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$1,234.99
Seattle Mariners Ken Griffey Jr. Autographed Cream Nike 2023 All Star Game Patch Jersey Size XL "HOF 16" Beckett BAS Witness Stock #230147
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$384.99
Ken Griffey Jr. Autographed 1989 Broder Cactus League All Stars Rookie Card #16 Seattle Mariners Auto Grade Gem Mint 10 Beckett BAS Stock #233973
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$461.99
Ken Griffey Jr. Autographed 1989 Final Series Rookies Superstars Rookie Card Seattle Mariners Auto Grade Gem Mint 10 Beckett BAS Stock #235095
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$415.99
Ken Griffey Jr. & Sr. Autographed 1991 Score Card #841 Seattle Mariners Beckett BAS Stock #221168
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