The image is a photograph of a black plaque on a brick wall. The plaque is rectangular in shape and has white text on it. The text reads "Manufactured by Marshall & Company in St. Louis, this 12-pounder Howitzer was manned by members of Battery A, 1st Illinois Light Artillery, known as the Chicago Light Artillerys, the unit served this piece at Fort Donelson, Shiloh, Chickasaw Bayou, Arkansas Post, and Vicksburg. During the siege it saw action along the Graveyard Road (Tour) during the siege of Vicksburgh. An inscription on the breech states that this gun had fired 1,900 rounds before it was retired from service in June 1863.