Snap button or weight?

[Gene Mean]

I found this in a town park. I can't find anything on Google with the marks on the back. Your help is appreciated as to what this is. I forgot to size it with a coin. It's penny sized and weighs 10 grams. Thanks, GM

 

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[ANTIQUARIAN]

More then likely an overalls rivet.

Dave

 

[HuntinDog]

It's a coin weight for use on balance scales
Pulled this example off the web..

 

[A2coins]

Great id lol

 

[Gene Mean]

It's a coin weight for use on balance scales
Pulled this example off the web..

Dang, that's cool, thanks!