1 Ducat - Christian William

Christian William ruled Schwarzburg-Sondershausen from 1666 until his death in 1690, a period when the fragmented German principalities were still absorbing the economic devastation of the Thirty Years' War. Ducats from the smaller Thuringian states in this era were struck in limited numbers, often serving diplomatic and gift-giving functions rather than everyday commerce — a single gold piece representing weeks of labor for most subjects.

Schwarzburg-Sondershausen maintained its own mint rights under the Holy Roman Empire, though output was sporadic and dependent on available bullion.