PSA/DNA, Letter of Authority – Autographs


PSA/DNA is a third party authentication service that focuses on sports and music autographs. PSA/DNA uses synthetic DNA that is only visible with the aid of a laser to mark the item being authenticated. PSA/DNA also affixes a small sticker, which has a unique certification number, onto the item. This unique certification number matches a PSA/DNA certificate of authentication that is issued with the item at the time of the authentication.

LOA from PSA/DNA means Letter of Authority from PSA/DNA

Information courtesy of Heritage Auction Galleries

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