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 the Swiss franc up to 18 security features including a tilting digit which can only be seen from an unusual angle, a UV digit that can only be seen under ultraviolet light and micro text. According to the central banks, the ratio of counterfeited bank notes is about 1 in 100,000 of real bank notes for the Swiss franc, of 1 in 20,000 for the Euro, of 1 in 10,000 for the United States dollar and of 1 in 3,333 for the Pound sterling. Banknotes of the Swiss franc Banknotes of the Swiss franc are issued by the Swiss National Bank in denominations