The authenticity can be verified on Professional Sports Authenticator website. This Autographed 3x5 Index Card with the inscription of "To Jim, Keep It Clean" has been Personally Signed by Chris Penn of Footloose. This item is 100% Authentic, it comes slabbed and authenticated by PSA/DNA. The authenticity can be verified on Professional Sports Authenticator website. There is a crack in the back of the slab, please refer to photos for condition prior to purchase.