This auction is for a Custom Replica jersey hand signed by Green Bay Packers Linebacker ISAIAH McDUFFIE. The signature is in Black Paint Pen. This jersey was signed at a private signing with us and would make a great addition to any Packers collection! The jersey size is XL and all letters and numbers are sewn in.This autograph is guaranteed to be 100% authentic and will include a COA hologram from Beckett authentication.