3-piece US Navy Eagle over Anchor Cuff Button

[bonepicker]

I dug this 13mm. Gold gilt 3-piece SCOVILLE & CO US Navy button the other day.
It was super crusty, and I thought it was a goner.
I finally got around to cleaning up a little bit more. Was wondering if anyone could date it, or give me any more information on it.
The 3rd pic is after I got the front cleaned up a little better.

 

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[relic lover]

Nice

 

[diggummup]

I believe those marking indicate a date of 1840-1850. Button Back Marks