Austria, Franz Joseph, Ducat 1855, Vienna

Obverse: Laureate portrait facing right, mint mark below bust, legend around .

Lettering: 
FRANC IOS I D G AVSTRIAE IMPERATOR; 

Reverse: Crowned double headed imperial eagle with Habsburg Lorraine arms, legend around (starts 1h).

Lettering: HVNG BOH LOMB ET VEN-GAL LOD ILL REX A A 1855;