This Autographed 8x10 Black & White Photo has been Personally Signed by J. Robert Oppenheimer. This item is 100% Authentic to include a Certificate of Authenticity (COA) / hologram by JSA. The authenticity can be verified on JSA website. The signature in the lower right is J. Robert Oppenheimer, the handwriting and Oppenheimer's name in the upper left is in an unknown hand.