This is a 1990 Pro Set PGA Tour #81 Authentic Signed Card that has been Personally Signed & Autographed by Billy Casper. This item is 100% Authentic, it comes slabbed and authenticated by PSA/DNA.You can also see the authentication on the PSA/DNA website, PSAcard.comWe offers a 100% Lifetime Guarantee on all Autographed & Signed Billy Casper memorabilia.