Is this a button, and can you date it?

[Ant]

This item came from a site that dates back to the late 1800’s early 1900’s. Is this a button and does it dates to the period I previously mentioned?

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[Rob66]

Yep it is a button.1920 a guess.

 

[CRUSADER]

I would guess leather decor. Loop goes throw the hole & pin holds it in place?? Not very sure on this one, but I don't think its a button.