GERMANY, Ulm (Stadt). AR Groschen (25mm, 2.79 g). Circa 1370–1430. Coat-of-arms countermarked on a Bohemian groš of Václav II. Grierson, Coins of Medieval Europe 447. Countermark VF, host Fine.
From the Richard A. Jourdan Collection of Medieval European Coins. Ex Heidelberger Münzhandlung (Grün) 61 (16 May 2013), lot 1340.