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.
Birds of Canada (banknotes) process required three lithographic plates and one intaglio plate for the obverse, and three lithographic plates for the reverse. The obverse of four banknotes feature a Prime Minister of Canada, whereas the others feature Elizabeth II. The design on the reverse of each note features a bird indigenous to Canada with a background representing the typical landscape for that bird. The birds represented in the series are found throughout Canada, and their colouring complements the dominant colour of the denomination on which they appear. In a Toronto Star article in 1990, Christopher Hume stated that having a bird on each