Double tournois coin, 1636, Principality of Sedan, Frédéric Maurice de La Tour d'Auvergne, Duke of Bouillon. Copper, diameter 20.1 mm, thickness 0.9 mm, weight 2.70 g. Obverse: "F · M · D · L · TOVR · DVC · D · BVILLON", reverse "DOVBLE · DE · SEDAN · 1636".
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