THE MESSAGE BOARD POINT CHATTER IS NOW CLOSED TO ALL NEW POSTS.
Neat find at any depth
Side notches like that most likely are for scraping the bark or exterior off wood shafts.
. . . .But those notches are so close to the base, maybe the owner needed some extra hafting support for a tough job.
No telling what it is. I would just call it a custon utility tool/arrowhead...lol