Delicate copper buckle or ornament help

[deldave]

This appears to be badly corroded copper. As the photos show, there was some kind of pin for attaching to clothing or hair? Property is late 1800's . As always, thanks for your help. Quarter for scale.

 

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[tamrock]

Sash buckle ?

 

[deepsecrets]

I've found a couple of these, shoe buckle, probably late 1700's early 1800's. Nice!!

 

[CRUSADER]

Agreed an 18th C Shoe Buckle.