Custom on-court style jersey. Everything is sewn on; size XL. Hand-signed by Jaylen Brown.This autograph is certified by Beckett Authentication Services (BAS) Witness Certification. That means that a Beckett representative was present when this item was signed. It comes with the numbered authentication scannable hologram with a QR Code card that verifies the authentication on the Beckett website. It comes with the numbered hologram and matching Certificate of Authenticity.Authentication: Beckett Scannable Hologram with QR Code card