AUSTRIA: 25 Euro (2003) in bi-metallic 7,15gr pure Niobium with blue color center in a 10gr silver (0,900) ring commemorating City of Hall in Tyrol with satellite mapping the city from outer space. Depiction of the die face used to strike the 1486 guldiner coin on reverse. Mint: Vienna. Inside slab by NGC "MS 69". (KM 3101).