✅ SOLVED Stone or bone axe, perhaps?

[mill-Z]

I have many unidentified objects, I suppose I'll start with this one.

 

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[Treasure_Hunter]

Welcome to Treasurenet. Sorry it is a natural stone, not artifact. A fossil, likely a crinoid was once there but now is gone.

 

[Willownsrn]

Really neat I would keep it .

 

[unclemac]

keep it up, you are developing the "eye"...