This ring is made in silver and is based on a Viking Age find from Ångermanland. Originally, it was a gilded silver bracelet discovered in the mid-19th century buried near the main building in Undrom. The discovery also included 1700 coins from various countries, four other pieces of jewelry, and around sixty silver fragments.
See: https://samlingar.shm.se/object/5C5658C4-0813-4DFF-947F-E5E4C4BAB965
Available in sizes: Inner circumference 50-72 mm.