2 Ducats - Frederick William

Frederick William — the future "Great Elector" — had barely assumed rule of Brandenburg-Prussia in 1640 when this piece was struck, inheriting a territory ravaged by two decades of the Thirty Years' War. Much of Brandenburg had been occupied, looted, or depopulated; the Kurmark alone had lost roughly half its inhabitants. That a gold ducat issue was produced at all in 1641 reflects the political necessity of projecting ducal authority through coinage even as the underlying economy lay in ruins.

The .986 fineness follows the longstanding Rhenish ducat standard, ensuring acceptance in international trade circuits that domestic silver coinage could not reliably reach.