Obverse: depicts Napoleon with sunbeams. On the top is the mintmark 'RF', on the bottom 'LE SOLEIL D'AUSTERLITZ' (the sun of Austerlitz).
Reverse: the reverse of the coin depicts an episode from the Battle of Austerlitz. The motto 'LIBERTÉ ÉGALITÉ FRATERNITÉ' (Liberty, Equality, Fraternity) and the denomination of the coin '20 EURO' appear on the top.