Arrowhead and other historic/pre-historic collections

[Catscratch]

I don't think I've ever seen one like that. Those bevels are wild. All the ones I find come to an edge from both sides.

 

[Mortenson]

I think highly used and resharpened points are almost always left hand beveled. I heard once that some types of Daltons were the only type that was right hand beveled.