How old is this button?

[333Demon333]

I found this old button. It has the word "FLYS" stamped into it. Anyone know how old it might be ? Or what it might have been on?

Any help is greatly appreciated.

 

[TheCannonballGuy]

It has the appearance of the "disc" part of a rivet-button (typically used on overalls), and it is the correct size to be one. So, I did a websearch to see if there ever was a brand of overalls named FLYS. Yes, there was, in the 1950s. The website where I found the info had the photo below. So I think you can mark this one as "Solved."

 

[333Demon333]

Wow..... Thanks. I tried but I couldn't find anything on it. Your awesome man!