Gemsetter,
Okay a civil war bullet in VA is a likely, at first I'd read it as WA, and I'd guess the caliber puts it in the pistol category. Yup one never knows where something special will be found. I 'have' a can collection, a whole one or two, a Maple Syrup Can Shaped like a house after the classic syrup company who's name I can not pull out of the gray matter right now and a beer can I found in an old gold mining camp, likely from the 20's. As you are finding a lot of cans at least you know your detector is working, something good about most things..............63bkpkr