This Autographed White Pinstripe Nike Jersey with the inscription of "Last To Wear #42" has been Personally Signed by Mariano Rivera of the New York Yankees. This item is 100% Authentic to include a Certificate of Authenticity (COA) / hologram by JSA Witness. This is a JSA Witnessed Protection Program item which means a JSA representative was present when this item was being signed. We conducted an autograph signing with Mariano Rivera where multiples of the same item were signed. 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. This item can be verified through JSA Witness. This is a X-Large sized, non-branded, custom-stitched Jersey.