This is a 1998 Stadium Club #21 Authentic Signed Card that has been Personally Signed & Autographed by New Jersey Nets Keith Van Horn. 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 New Jersey Nets Keith Van Horn memorabilia.