Sweden, Karl XI SM 54 8 mark 1665 30.55 g. Stockholm. Beautiful

Sweden, Karl XI SM 54 8 mark 1665 30.55 g. Stockholm. Beautiful original patina. R. SMB 8. In C. R. Berch's "Beskrifning öfwer Swenska Mynt ..." (Description over Sweish Coins) we can find the following interesting comment (free translation) p. 184 "The previous 8 mark coinage that should be called double swedish daler, has in common practice been called quadruple carolin, or among merchants, ducatoons." 1?/1)(1