This Autographed Robert Manfred Oml Baseball with the inscription of “5,714 K’s” has been Personally Signed by Nolan Ryan of the Texas Rangers. This item is 100% Authentic to include a Certificate of Authenticity (COA) / hologram by Beckett Authentication Services. This is a stock item in which we have several available. The one you will receive will be of equal quality to the one pictured. This item can be verified through BAS.