This Autographed The Gold Signature Limited Edition #836/950 & Framed 20.5x24.5 Lithograph has been Personally Signed by Bob Kane of Batman. 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 30.5 x 34.5 inches.