On the heart in yellow niobium, a view of the surface of the moon, a satellite, the legend "rückseite des mondes" (in French "hidden face of the moon") and the signature of the artist Graveur Herbert Wähner; On the silver crown, a view of the planet earth, the 25 euro facial value and the name of the emitting country "Republik Österreich" (in French "Republic of Austria")

Reverse

Drawing celebrating the International Year of Astronomy, with a portrait of the Galileo mathematician and astronomer, the year of his first observation of the moon with a telescope, 1609, the legend "Jahr der astronomy" (in French “Year of the 'astronomy ”) and the 2009 vintage