Sweden, Johan, duke of Östergötland SM 5 1 riksdaler 1617 30.66 g. Söderköping. One year type. Partly weakly struck in centre. Else an unusually well struck example of this scarce type. One of the best examples known! RR. Ex Ulf Nordlind Mynthandel 2001. Ex Ahlström auction 56, lot 532. Ex Ahlström auction 32, lot 176. Ex Sven Svensson (SS 1791), Hirsch auction 1 (1966), lot 225. SMB 9. This example is the variety with large portrait and reverse D in DUX in reverse legend. The obverse would normally carry the regent's name and portrait. However in 1617 Gustav II Adolf went from being Regent to crowned King. 1+