Custom on-field style jersey. Everything is sewn on, size adult XL. Hand-signed and inscribed in black felt-tip pen by Jerry Kramer (HOF). Kramer was an integral part of the famous "Packer Sweep", a signature play in which both guards rapidly pull out from their normal positions and lead block for the running back going around the end. Kramer was an All-Pro five times, and a member of the NFL's 50th-anniversary team in 1969.The autograph includes an official James Spence Authentication (JSA) hologram and QR Code card for authenticity purposes. The signing of this item was witnessed by JSA. Authentication: JSA Hologram with QR Code card