11" diameter cannonball artillery shell from the Civil War, specifically with a fuse hole designed by Dahlgren.

This original item is a collectible piece of militaria from the United States, representing the historical period of the Civil War.

The shell would have been used as a projectile in cannons during battles, showcasing the military tactics and technology of the time. With the fuse hole, it would have been capable of exploding upon impact, adding to the destructive power of the artillery.