The image is a photograph of a white rectangular plaque with black text on it. The text reads "Prison Hoods and Shackles" and is attributed to the Secretary of War Edwin Stanton ordered that the imprisoned conspirators wear hoods at all times. These canvas hoods were made for this purpose. The accused wore the hoods in their cells and on their way to trial. In 1904, the War Department transferred to the Smithsonian associated with the imprisonment of Lincoln's assassins. They did not record which prisoner wore which hood.