Gary Kubiak autographed footballs are a must have for any Denver Broncos fan or memorabilia collector. Display this Gary Kubiak Denver Broncos Autographed Wilson NFL Super Grip Football - Certified Authentic proudly in your home, office or Denver Broncos memorabilia man cave. This Gary Kubiak signature has been authenticated by Seller and will come complete with a Certificate of Authenticity (COA) and matching tamper-evident sticker. Prime One Sports is an online leader in authentic Gary Kubiak signed memorabilia. Official NFL Sized Football. Multi-layered lining for consistent shape and durability. Ships inflated. Start your Denver Broncos signed football collection off right with an authentic Gary Kubiak autograph. Item ships same day.