Bronze sun burst Thing?

[Wild Colonial Boy]

Found this at a 1840's farm house, it has an disk attachment on back,
it was 10" down appears to be copper

any ideas thanks??

 

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[Rookster]

Nice find. But no idea.

 

[DCMatt]

Turn of the 20th collar brooch?

 

[Wild Colonial Boy]

Thank you, I think something along those lines, or lapel pin

definitely looks like some kind of Pin Back Clutch Clasp but the tube is hollow adjoined to back piece as i can see it as it came apart

 

[A2coins]

Brooch nice relic