It seems like it belongs to Svea Orden.
Svea Orden - Svea Orden
Some kind of patriotic society.
Type: Posts; User: Wewelsburg; Keyword(s):
It seems like it belongs to Svea Orden.
Svea Orden - Svea Orden
Some kind of patriotic society.
The runes on the pin = S Ö
I can't help you further.
Edit: Or S O :)