Beautifully preserved details.
Freshness of the background.
Obverse: head of the ruler in a laurel wreath, to the right, in the rim the legend:
FRANC-IOS-I-D-G-AVSTRIAE IMPERATOR;
Reverse: imperial eagle, underneath it the denomination of 1 FL, in the rim legend:
HVNG-BOH-LOMB-ET VEN--GAL-LOD-ILL-REX A-A-1857;