AUSTRIA. Olmütz, Erzbistum. Rudolph Johann von Österreich, 1819-1831. 20 Kreuzer 1820 (Silver, 27 mm, 6.74 g, 12 h), Vienna. RUDOLPH JOAN D G CAES A R HUN BOH PRINC A A Bust of Rudolph Johann to left, value 20 below. Rev. S R E TIT S PETRI IN MONT AVR CARD ARCHIEP OLOM 1820 Hatted, mitred and crowned coat of arms on crowned mantle. L./M. 539. Extremely fine.