This Autographed w/ Black Signature 3x5 Index Card has been Personally Signed by Mark Harmon of NCIS. This item is 100% Authentic, it comes slabbed and authenticated by Beckett Authentication Services. We have multiples of this same item. While the photographs are representative of this item, the size, placement and strength of the signature may vary. Each item is hand signed, therefore, each autograph is unique.