The Lissner Collection, Lot: 728. Estimate $1000. Sold for $1800. This amount does not include the buyer’s fee.

NORWAY. Fredrik III. 1648-1670. AR 2 Mark (33mm, 11.03 g, 5h). Kristiania (Oslo) mint; im: clover. Frederik Grüner, engraver. Dated 1669. KM –; ABH 164. In NGC encapsulation graded AU 55. Very choice lustrous AU and basically as struck. An extremely rare coin and only specimen ever graded.