This is a 4.6 cm pendant in the shape of Mjölnir, Thor's hammer. It is made of silver and has been gold-plated. This artifact was discovered in the parish of Bredsättra, within the Rungsten hundred, located in the Borgholm municipality on the island of Öland in Kalmar county, Sweden. The archaeological dating of this find places it around the year 1000.
 from Bredsattra/2.jpg "Mjolnir (Thor's Hammer) from Bredsattra")