Help indentify this pin/cocarde

[Hannu]

Found this pin and i have no idea what it is and how old it is. Is it military or something else?
Its thick metal and eaemel. size about 2cm.

Thank you for the help

 

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[Subterranean]

Hannu, It does appear to be a cockade decoration for a cap or hat, but I was not able to find anything on the blue circle star surrounded by a link chain on line. It may just be purely decorative. Good luck and happy hunting. Sub

 

[duggap]

I think it may be a button.