This Autographed 3x5 Index Card has been Personally Signed by Don Drysdale of the Los Angeles Dodgers. This item is 100% Authentic, it comes slabbed and authenticated by Beckett Authentication Services. The authenticity can be verified on Beckett Authentication Services website. Press Pass Collectibles only offers Authentic Autographs by Don Drysdale through Signings, In-Person Signings or Private Collections to include a 100% money back Lifetime Authenticity Guarantee.