He extracted the chromalin from the scanning peripherals and studied it closely. It was by no means apparent to him. But the familiar, indeed over-familiar, image of the Mona Lisa was so well-known in its normal form that his brain refused to perceive the same face as a photographic negative, which was how the black woman’s face appeared. The confusion was even greater given that the image of the man’s body was itself rendered in a photographic negative, just as Shroudman had been by his creator.