{"product_id":"seattle-mariners-ken-griffey-jr-autographed-blue-authentic-mitchell-ness-authentic-bp-jersey-size-48-beckett-bas-witness-stock-267476","title":"Seattle Mariners Ken Griffey Jr. Autographed Blue Authentic Mitchell \u0026 Ness Authentic BP Jersey Size 48 Beckett BAS Witness Stock #267476","description":"\u003cp\u003e\u003cstrong\u003eCollector Grade autographed and signed memorabilia: Ken Griffey Jr. on a Blue Seattle Mariners Mitchell \u0026amp; Ness Authentic BP Jersey (Size 48) — Beckett BAS Witness.\u003c\/strong\u003e Inducted into the National Baseball Hall of Fame in 2016, Griffey finished with 630 home runs and the 1997 AL MVP. A 13-time All-Star and 10-time Gold Glove center fielder, he defined the Mariners’ 1990s era and remains one of MLB’s most beloved sluggers.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCollector's Highlights:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAthlete:\u003c\/strong\u003e Ken Griffey Jr.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem:\u003c\/strong\u003e Blue Mitchell \u0026amp; Ness Seattle Mariners Authentic Batting Practice Jersey — Size 48\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthentication:\u003c\/strong\u003e Beckett Authentication Services (BAS) Witnessed with tamper-proof hologram\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eBeckett’s Witness program means a BAS representative observed the autograph and applied their hologram, giving you verified authenticity that helps protect long-term collectability. A flagship Griffey piece from a classic Mariners era, ready for serious collectors building a high-quality display.\u003c\/p\u003e","brand":"Mill Creek","offers":[{"title":"Default Title","offer_id":45959002193964,"sku":"267476","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/6196\/2028\/files\/STOCK_8_13_26_3162__70202.jpg?v=1786667311","url":"https:\/\/www.pristinemarketplace.com\/products\/seattle-mariners-ken-griffey-jr-autographed-blue-authentic-mitchell-ness-authentic-bp-jersey-size-48-beckett-bas-witness-stock-267476","provider":"Pristine Marketplace","version":"1.0","type":"link"}