1 Thaler - Georg Wilhelm

Georg Wilhelm was the last Piast duke of Liegnitz-Brieg, and this thaler was struck in the final year of his rule — not because he abdicated, but because he died without a male heir in 1675, triggering the immediate annexation of the duchy by Habsburg Austria under a lapsed inheritance treaty the Piasts had never fully accepted. The Habsburgs had been waiting on that clause for decades. With Georg Wilhelm's death, one of the longest-surviving dynastic lines in Silesian history was extinguished by paperwork rather than conquest.

Thalers of this final year carry particular documentary weight for collectors of Silesian coinage, as no issues followed under the ducal title.