Button? How old?

[burgessbogy]

Hi everyone! Been out for a while, but yesterday, something got my interest back into detecting.
Standing under my carport, I saw something perfectly circle, and with some illegible writing on it.
Took it in, cleaned it up a bit. I believe it's a snap button for, perhaps, overalls. However, I can't find anything online that could date this gem with such gorgeous typography.
Any ideas?

 

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[nhbenz]

You're right about the application for it. This type of lettering was most common in the 20's-30's from what I've found about vintage work clothes buttons. Bulls Eye brand was started in 1903 and was part of the Tennessee Overall Co. through at least the 30's (I don't know how long after).