Autographed/Signed Seattle Baseball Jersey Mystery Box with PSA JSA or Beckett COAHere's how it works: You're guaranteed to pull a jersey signed by a current or former Seattle baseball player accompanied with a Certificate of Authenticity from JSA, PSA, Beckett or Fanatics. Jersey will be packaged in a sealed and branded HOFSM poly bag to ensure authenticity. You will receive a custom jersey that has no team names, branding or logos. Complete list of possible pulls: Ken Griffey Jr. Felix Hernandez Edgar Martinez Julio Rodriguez