Serrated edge beauty-heartbreaker :(

[Arrow1492]

Any ideas what this point is? Almost looks ceremonial with the serrations.
From Illinois.....

 

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[BobGuy]

Looks like a Madison to me

 

[rock]

Fort Ancient has some nice ones that look like it on the sides.

 

[DigIron2]

Some kind of triangle. I see a smoker coming up in your immediate future.

 

[rock]

This one is a type of Fort Ancient I found a couple of years ago notice the sides even though the base is different.