Mid 20th Century Original Pen and Ink Civil War Drawings with Certificate

Sold by Sulis fine art in the USA these 3 mid 20th century pen and ink drawings show elements from the American civil war, they include General Grants kerosene lamp, the bugle that blew the cease fire and a canon with dead bodies around, they come with their certificate of authenticity dated 2015, they come in good condition but have been stuck in something with tape on the corners, the largest measures 9.5 inches x 5.