20 Euros Virunum

Virunum was the Roman provincial capital of Noricum, located on the Zollfeld plain in what is now Carinthia — a city that peaked in the second century AD before gradual abandonment left it largely unexcavated beneath agricultural land. Austria's archaeological silver series has used individual Roman sites as anchors for broader numismatic storytelling, and Virunum earned its place partly because systematic excavation there remains politically and logistically complicated, making the coin itself a more accessible record than the dig reports.