A nice token, good condition. Håksbergs Nya Gruf AB was founded in 1913 by Austrian mining company, the mines were closed in 1921 after the WW1, the mines were re-opened in 1937 by German Lekomberg AB ( Krupp ), the mines were owned by 3rd Reich until 1945.
These are Extremely rare specimen of the original 1913-1921 tokens.