{"title":"MLB Memorabilia","description":"\u003cp\u003eBrowse our authentic MLB memorabilia collection. Signed baseballs, bats, jerseys, and photos from baseball's greatest players past and present. All come with certificates of authenticity. \u003c\/p\u003e","products":[{"product_id":"seattle-mariners-ken-griffey-jr-autographed-nike-cooperstown-jersey-with-retirement-patch","title":"Seattle Mariners Ken Griffey Jr. Autographed Nike Cooperstown Jersey with Retirement Patch","description":"\u003cp\u003eKen Griffey Jr. autographed Seattle Mariners Nike Cooperstown Collection jersey featuring the number retirement patch.\u003c\/p\u003e\n\u003cp\u003eThis white Nike Cooperstown Edition jersey displays the classic Mariners wordmark on the front and “GRIFFEY 24” on the back. It includes the official Ken Griffey Jr. Number Retirement patch on the left sleeve. Hand-signed in silver across the number by Hall of Famer Ken Griffey Jr.\u003c\/p\u003e\n\u003cp\u003eItem Details:\u003c\/p\u003e\n\u003cp\u003e• Player: Ken Griffey Jr. (Seattle Mariners \/ HOF)\u003c\/p\u003e\n\u003cp\u003e• Jersey: Nike Cooperstown Collection (Size Large)\u003c\/p\u003e\n\u003cp\u003e• Features: Official Number Retirement patch\u003c\/p\u003e\n\u003cp\u003e• Signature: Hand-signed by Ken Griffey Jr.\u003c\/p\u003e\n\u003cp\u003e• Authentication: Beckett Witnessed\u003c\/p\u003e\n\u003cp\u003eClean signature on a sharp official Cooperstown jersey with the retirement patch. Still has original tags attached. \u003c\/p\u003e\n\u003cp\u003ePlease review all photos carefully as they show the exact item you will receive.\u003c\/p\u003e","brand":"Ultimate Sports Memorabilia And Collectibles","offers":[{"title":"Default Title","offer_id":47040958955719,"sku":null,"price":900.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/1698\/6311\/files\/357A7649-42AF-47F0-B08D-A761FEE2EB6C.jpg?v=1787283584"}],"url":"https:\/\/ultimatesportsmemorabilia.ca\/collections\/mlb-memorabilia.oembed","provider":"Ultimate Sports Memorabilia And Collectibles","version":"1.0","type":"link"}