This Autographed 8.5x11 Letter Dated July 3rd, 1918 On Kansas City Star Letterhead has been Personally Signed by Theodore Roosevelt. 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 Theodore Roosevelt through Signings, In-Person Signings or Private Collections to include a 100% money back Lifetime Authenticity Guarantee.