Twintig kreuzer, noodmunt uit Mantua, geslagen door generaal Gorkowski ter ere van Ferdinand I, keizer van Oostenrijk, tijdens het beleg 1848

This silver coin, created in 1848, depicts the profile portrait of Emperor Ferdinand I of Austria. It was minted in Mantua during the Siege of Mantua, and is notable as a "noodmunt" (emergency coin). The coin was designed by the monogrammist GM and features a laurel wreath above Ferdinand I's head on one side, and a stylized eagle on the other. These "noodmunt" coins were struck in times of need when the official currency was unavailable and serve as valuable historical artifacts.