This is a 1978 Topps #523 Authentic Signed Card that has been Personally Signed & Autographed by Chicago Cubs Donnie Moore. 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.comPress Pass Collectibles offers a 100% Lifetime Guarantee on all Autographed & Signed Chicago Cubs Donnie Moore memorabilia.