Button help

[Broken knee]

Any ideas on this one. It was a 2 piece missing it's back no markings.
Thanks, Broken Knee

 

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[fyrffytr1]

Looks like a Navy two piece made prior to 1941. Without a backmark it may be a little harder to narrow down the date.

 

[Bigcypresshunter]

I agree US Navy. A bit smashed.