Flower fruit button id

[cmthunder]

Has anyone seen a button like this before?

 

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[Tpmetal]

Doesn't look like a button to me. There is that weird flat spot on the rim, also theres no place for a shank, just where the flower was attached on. Maybe from some kind of fancy for horse related stuffs? not sure

 

[cmthunder]

Think your right not a button looks like piece broke off where flat part is
Thanks