can anyone help me with this, i found this cannonball two weeks ago, been in contact with three muesems, they want me to turn it in to the police and have it destroyed. i dont know anything about them, but have been told its pre civil war and it could blow up. i live in a small town and i dont know any experts to disarm it. i live in illinois and no one knows how it got here. please help me out i dont want to destroy it thanks bryan