2 Ducats - Frederik III Pattern

Frederik III died in February 1670, making 1669 one of the final years of his reign and a period of active pattern production at the Copenhagen mint as engravers worked to refine dies for projected gold coinage. This piece — struck in silver as a trial — was never authorized for circulation. The Hede and Thesen references both treat it as a pattern rather than a proposed currency issue, and surviving examples are rare enough that auction appearances are measured in decades, not years.