This is a Auto Graded Gem 10! Authentic Signed 16X20 Photo that has been Personally Signed & Autographed by Jack Nicklaus. This item is 100% Authentic to include a Certificate of Authenticity (COA) / hologram by PSA/DNA #Y06790.We offers a 100% Lifetime Guarantee on all Autographed & Signed Jack Nicklaus memorabilia.