The image is a photograph of a historical marker on a brick pavement. The marker is rectangular in shape and has a beige background with black text. The text reads "12-Pounder Napoleon: The first weapon of this type was designed for Emperor Napoleon III of France, and adapted for use in the United States in 1857. These mobile guns became popular workhorses of the artillery. Especially deadly in stopping infantry assaults. Range: 1,620 yards at 5' elevation. Gun metal: Bronze. Weight of tube: 1.225 pounds. Projectiles used: Solid shot, round shell, canister, case."