Native american artifact if so what is it?

[Unitedstatesofamerica1]

 

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[crj1968]

I'm not sure if it's an artifact or not. That said; I have something much like it that I found among artifacts......so, I dunno.

I am sure my input was extremely helpful.

 

[Peyton Manning]

looks like a river stone to me

 

[The Grim Reaper]

Natural stone.