Any idea on this very small square shank flat button?

[diggerranger]

I thought it was a .410 primer until I emptied the pouch and noticed it was a button. I’ve dug a lot of buttons but none with a square shank.
Thank you for any help identifying

 

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[fyrffytr1]

Can you post a clearer picture of the front? The back is in focus but my old eyes can't quite make out the front. Also, I am not sure this is a button. The projection on the side of it looks like it broke off of something else and I can't remember seeing a shank like that.

 

[diggerranger]

 

[Breezie]

Since it has a square shank, I think it is a small bridle (or the likes) rosette.



Neat find
Breezie

 

[CRUSADER]

I would say that centre rose design (very popular) was just the centre piece to a much bigger piece (maybe twice the diameter). It looks 18th C to me & was most likely a leather mount for a horse or maybe person's belt.

 

[A2coins]

thats a cool piece