This Autographed Auto Graded Mint 9! Dated March 12, 1971 8.5x11 Handwritten Letter has been Personally Signed by Charles Lindbergh. This item is 100% Authentic to include a Certificate of Authenticity (COA) / hologram by JSA. The authenticity can be verified on JSA website. The letter also comes with the original envelope also written in the hand of Charles Lindbergh. The writing on the envelope has does not come with additional authentication.