Ball Joint Bone?

[TJE]

Any folks know what part of a skeleton this could be from?...3"+ Length..2"at Widest point.
Thanks.

 

[old digger]

Hello Todd, I think you are right, it does (from what I can see) look like the patellar surface, or end of the knee bone. For size, maybe buffalo or elk.

Thanks for sharing!

 

[TJE]

Thanks for the info old digger