The signature is in Silver paint pen. Driver is the franchise record holder in Receptions and Receiving Yards and was a 2017 Packer Hall of Famer inductee! This jersey was signed at a private signing with us and would make a great addition to any Packers collection! Again this custom jersey is size XL and all letters and numbers are sewn on. This autograph is guaranteed to be 100% authentic and will include a COA from Beckett Authentication. We have been in business for over 30 years and are frequently featured on Signings Hotline as well as SCD. We specialize in Super I&II Green Bay Packers as well as 1982 Milwaukee Brewers autograph memorabilia. Thanks for looking we appreciate your business.