A "Flat" button, or not? IDK - Judges?

[JoeB_OH]

I found this today, Good 10" down.

 

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[BARKER]

Hi; Yes it is a One Piece Button dating to 1820 or older. The One Piece button went out of style by 1820 ok. It has a Full Shankn on the back. Value : $1 ok. Nice find. PEACE:RONB

 

[CASPER-2]

Hi; Yes it is a One Piece Button dating to 1820 or older. The One Piece button went out of style by 1820 ok. It has a Full Shankn on the back. Value : $1 ok. Nice find. PEACE:RONB

One piece buttons were used into the Civil war - I would date that one in the early 1800s- yes