Euro banknotes a common theme of European architecture in various artistic eras. The obverse of the banknote features windows or gateways while the reverse bears different types of bridges. The architectural examples are stylised illustrations, not representations of existing monuments. All the notes of the initial series of euro notes bear the European flag, a map of the continent on the reverse, the name "euro" in both Latin and Greek script (EURO / ΕΥΡΩ) and the signature of a president of the ECB, depending on when the banknote was printed. The 12 stars from the flag are also incorporated into every note.
Banknotes of Denmark, 1997 series under ultraviolet light, are used on both sides of the banknotes. 50 kroner: The hologram alternately shows the figure 50, the Roman numeral L and a flower. Fluorescent effects: Centaur on obverse and green print on the reverse. 100 kroner: Hologram: Two musical notes, the Roman numeral "C." and the number "100." When the note is tilted the "C" grows larger and a rainbow appears. Using a magnifying glass, it is possible to see a microprinted "100" in the outer line around the letter "C." Fluorescent effects: Basilisk on obverse and orange print on the reverse. 200 kroner: Hologram: A