help identifying button?

[75matador315]

i cant remember where i dug this piece but wanted to know if anyone could help me in identifying what it is i put a dime next to it for size. thanks nick

 

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[Kiros32]

Looks like a cuff link rather than a button.

 

[75matador315]

ya not sure what it is so i figured i would ask all the helpful people on here. All of you folks are really awesome lots of knowledge on here