Denmark
Selections from the Eric P. Newman Collection of World Coins. Frederik III 2 Mark 1666-GK, Copenhagen mint, KM259.1, Sieg-36.1, Hede-107A, AU50 NGC. This olive-toned example shows underlying luster. There are numerous varieties of this type; the defining characteristics of this particular variety are: there is no ring on the obverse, the date is in the legend, and the legend beneath the crown is in script.
Estimate: 350-450 USD