Stora Enso has 20000 employees and roots in the 13th century. In the 17th centry Stora produced two thirds of all copper in the world.
"The oldest preserved share in the Swedish copper mining company Stora Kopparberg (Falun Mine) in Falun was issued in 1288. It granted the Bishop of Västerås 1/8th (12.5%) ownership, and it is also the oldest known preserved share in any company in the world."
"The oldest preserved share in the Swedish copper mining company Stora Kopparberg (Falun Mine) in Falun was issued in 1288. It granted the Bishop of Västerås 1/8th (12.5%) ownership, and it is also the oldest known preserved share in any company in the world."
https://en.wikipedia.org/wiki/Stora_Enso