can anyone ID This ?

[jeff of pa]

Not Real old I'm sure.
Only about an inch deep

I'm guessing 60's only because I Think
I Saw one before as a Kid or early Teen

 

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[poorhunter78]

could that be a button, like from the front of a pair of jeans.

 

[Bigcypresshunter]

Looks like a collar button but I dont recognize it.