1 Thaler - 150 Kipper Kreuzer - Ferdinand II Prague

The Kipper- und Wipperzeit — "the time of clippers and see-saws" — was one of the most destructive currency debasements in Central European history, driven largely by warring princes who debased their coinage to fund troops in the opening campaigns of the Thirty Years' War. Bohemia was a primary offender. Ferdinand II, having crushed the Protestant estates at White Mountain in November 1620, effectively licensed the mint consortium led by Karel von Liechtenstein, Hans de Witte, and Albrecht von Wallenstein to flood Bohemia with debased coinage under an imperial mint lease.

Prague struck these oversized billon pieces — nominally valued at 150 Kreuzer against a silver Thaler — as part of that operation. The consortium extracted enormous profit from the spread between metal content and face value before the scheme collapsed around 1623 when markets refused the coins outright.