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Kristaps Porzingis Dallas Mavericks Autographed Signed Basketball Floorboard JSA COA

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