Sweden, Karl, duke of Södermanland SM 18 4 mark 1604 (klippe). One year type 18.13 g. Linköping. The 4 mark klippe 1604, was struck in Linköping according to recent research. It is very rarely seen on the market and has been missing from many important collections! Corroded. RR. SMB 16. 1/1+