Confederate plumb bob

[GasCan/NW-GA]

Been reading a while, first post. A friend dug these on Missionary ridge in Chattanooga, Tn, on private land. He's leaning toward a plumb bob for maybe a cannon or other artillary piece, for the circled item. The bullets show the size, and its a little flat on both sides.
Any help is greatly appreciated.

 

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[Montana Jim]

Welcome to T-Net Gas Can!

Kinda small and light to be a plumb bob IMO.

Is there a decorative edging around the outside? Or is that just corrosion?

Brass? Iron? Lead?

 

[GasCan/NW-GA]

Thanks for the welcome. I'm pretty sure its lead, kinda like a fishing weight. I should have posted this picture first; I'll get the hang of it, maybe!

 

[jonnyrebel00]

well if it was found on a private island im assuming there is water there, could it be a fishing weight?

 

[Lafitte]

Is the obverse indented? If so, looks like it's a "keeper slot" cover on the butt of a rifle.

 

[Charlie P. (NY)]

If it's lead it could be something a soldier was making from a bullet as a gift or momento. A fob or some such. Or a fishing sinker that doesn't snag in rocks.