Description20 Euro Back UV250.png English: 20 Euro banknote, back side. Ultraviolet emissions, stimulated with UV light around 250 nm. Deutsch: 20-Euro-Schein...
Description50 Euro Back UV250.png English: 50 Euro banknote, back side. Ultraviolet emissions, stimulated with UV light around 250 nm. Deutsch: 50-Euro-Schein...