Help with button age

[hightone777]

I dug this near a river several inches below grade where Texas and Mexican forces crossed or camped. There are no marks front or back. I would call it a two piece button since the front is pressed over and crimped to the back. The shank seems not to be soldered to the back. There was not much tarnish except on the back, the front has an almost polished look. Cleaned it only by rubbing. Any idea of age, thanks.

 

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[BARKER]

Hi; Your is a 2 Piece button. I believe it is 1900 or so. If you will tell us all of what it says on the back then We can pin it down for you ok. Is the Front metal ?? Nice find. Look forward to your Repost ok. PEACE:RONB

 

[hightone777]

The front is metal and crimped on to the back. There are no markings on it front or back.