Variety wit letter C, mint mark of Prague mint.
Mount removed.
Obverse: bust of the ruler in a laurel wreath, with long hair, to the right, letter C under the bust
FRANCISCVS I D G AVSTRIAE IMPERATOR
Reverse: imperial Eagle with Habsburg-Lorraine and Austria arms
HVN BOH LOMB ET VEN GAL LOD IL REX A A 1820
Diameter 40 mm, weight 28.04 g
