The transfer letter is 1288 through which bishop Peter of Västerås reaquired 1/8 of Tiskasjöberg,beer Kopparberget), original can be found at Riksarkivet (National Archive) in Stockholm.
The transfer letter dated 1288 through which bishop Peter of Västerås re-acquires 1/8 of Tiskasjöberg, i.e. Kopparberget. The original can be found at Riksarkivet (National Archive) in Stockholm.