If Anyone can figure this one out...Respect!

[thedukeofdelaware]

Measures exactly 2 inches...no idea. Pretty heavy for its size..
Thanks!

 

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[Mud Hut]

looks like an interior door handle for an antique vehicle.

 

[bradyboy]

window latch ?

 

[old_chase]

Coat hook?

 

[G.A.P.metal]

My guess is a old door thumb latch. (broken)
old door thumb latch - Google Search

 

[thedukeofdelaware]

Sir, I believe you've nailed it. Thanks!

 

[Mud Hut]

I have never seen a thumb latch with these oddities on it.

 

[Old Pueblo]

Looks like the top of an old oiler.