Custom on-field style jersey. Everything is sewn on, size 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 Beckett Authentication Services serially numbered hologram for authenticity purposes.Authentication: Beckett Hologram