The signature is in Green Paint Pen. This item was signed at a private signing and would make a great addition to any Packers collection! This item is guaranteed to be 100% authentic and will include a COA hologram from Beckett Authentication. We have been in business for over 40 years and are frequently featured on Signings Hotline as well as SCD. We specialize in Green Bay Packers, Milwaukee Brewers, Milwaukee Braves, Milwaukee Bucks, Wisconsin Badgers and Hall of Fame autographed memorabilia. Thanks for looking we appreciate your business.