Scandinavian Brutalist style substantial bronze ring, Jalosepot Finland, 1960-70s

Special one. Substantial ring made of bronze in Scandinavian Brutalist style, which combines visually powerful forms with natural patterns.  

End of 1960-70s. Jewelry company Jalosepot Oy, Finland. Diameter 2 cm. Ring shield measures 2,1x2,4 cm. Excellent vintage condition