Small cannon balls? Or musket cannon balls?Hel

[Brianbarr88]

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Hi, I found these at my mothers thrift store. Somebody donated them along with some other war looking items like books and stuff.
Idk what they are, but when I first seen them I was told they were ball bearings from something but they seem to be something else I think.
Are they cannon balls? Or like musket balls from the war?
Anybody know anything about these or what they might be/were used for?
Thanks.

 

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[Brianbarr88]

 

[Brianbarr88]

Here are a few other photos and angles of them. One of the smaller balls seems to have a tad of rust or orange color in the spots that were struck and dented in.