🔎 UNIDENTIFIED Weird button?

[Older The Better]

I found three of these semi close to each other, first one I thought was a pin but 3 has me wondering what they came from. they are a bit smaller than a 50 cent piece any ideas? Maybe some kind of rosette type thing?

 

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[pepperj]

I'd go with them being rosettes.
Nice recoveries.

 

[flinthunter]

Not certain but they look like two piece civilian fashion buttons with the steel back rusted away.