✅ SOLVED Pewter color button ID help

[cmthunder]

Found this button at 1860 home site in woods in Cecil Maryland.
What kind of button and date range is this large button?
Thanks for any I’d help!
Chuck

 

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[smokeythecat]

That looks like a mid to late 18th century tombac button, a metal alloy very popular back then.

 

[cmthunder]

Thanks Smokey never found a tombac this big before.