What is this?

[mlsoleil]

Flat on top and bottom and beveled a little bit, no marking anywhere on it. Found in a field in tennessee

 

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[woodstock]

Looks to me like a old cuff link or decorative pin, missing the backside piece that held it in place . HH , Woodstock

 

[mlsoleil]

It is about 3/4 inch diameter and reads in silver range on garrett 250