Buttons?

[Garabaldi]

Are these buttons?

 

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[DaChief]

My guess is that they are snap covers.

 

[vayank54]

The one with the hole in the center of the back because of the size of the hole looks like it might have been a coveralls button. I think the other 2 are buttons but modern, maybe mid 1900's or so.

 

[Woodland Detectors]

Agreed. But your on the right track friend

 

[Garabaldi]

Ty gents.