Quite a different one (to me).

[Kraut]

This spearhead is 3 inches long. A friend gave it to me. One side is completely FLAT. Is this unusual? Would you please give me the origin and approximate age. Thank you.

 

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[Older The Better]

I smell Indian (subcontinent) if so if it flat on the bottom it’s because they cut slabs to make the point

 

[antmike915]

Sorry; It's not a ancient artifact, that's a common reproduction (usually found in tourist shops).

 

[dognose]

Agree with the assessment that the specimen is not an ancient native American artifact, but a recent reproduction.

 

[Treasure_Hunter]

Sorry, I also agree it is not an ancient native American artifact, looks like it is made from a slab cut stone.

 

[unclemac]

the corner notches look machine ground.

 

[RGINN]

It's cool, but looks like a repro, and a bad repro at that. If it was the real deal, it would probably be a knife.

 

[Blackfoot58]

The back is flat because it would cost more to put the extra labor into it. Flat side will lie nicely in a frame or as a wall hanging. I’d guess the origin to be 3rd world.