This Autographed On Berkshire Hathaway Letterhead & Framed 8.5x11 Letter has been Personally Signed by Warren Buffett. This item is 100% Authentic to include a Certificate of Authenticity (COA) / hologram by Beckett Authentication Services. The authenticity can be verified on Beckett Authentication Services website. This item has been professionally framed to overall dimensions of approximately 26.5 x 37.5 inches.