The product is a custom jersey signed by Kristaps Porzingis, authenticated by Beckett Authentication Services (BAS) Witness. This item is a genuine original autograph, showcasing Porzingis' signature on the jersey. The jersey represents Porzingis' association with the Boston Celtics and is a valuable collector's item for fans of basketball and sports autographs. Signed in the United States, this jersey commemorates Porzingis' participation in NBA Championship events, adding to its significance and appeal.
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