Kristaps Porzingis Boston Celtics Signed Autographed Basketball Floorboard JSA COA
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12" x 12" Vinyl Floorboard
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Signature was obtained at Rocket Mortgage FieldHouse (Cleveland) in November 2019
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Autographed item comes with Certificate Of Authenticity (COA) Card from James A. Spence JSA
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Certification Number GG58453
