Ornamental screw?

[nikmane]

Hi all!
I need to identify this!
I think is a screw but i don't know.
Thank's for help.

Dimensions and weight
Quantity: 1
Shape: Oval
Diameter: 18.05 x 20.61 mm
Height: 4.02 mm
Thickness: 1.98 mm
Weight: 3.60 g

 

[RVRoamer76]

Sorta, kinda, looks like a button. More help may chime in.

 

[Rookster]

Yep, looks like a button without the shank. Nice find.

 

[A2coins]

Fore sure a button someone will kmow it

 

[GB1]

nice button

 

[Whyme]

Yep looks like a button. Congrats!