Euro banknotes euro banknotes are supposedly more durable than the first series banknotes. Reinhold Gerstetter, an independent banknote designer, was chosen by the European Central Bank to redesign the euro notes. Due to the great number of historic bridges, arches, and gateways throughout the European continent, all the structures represented on the notes are entirely stylised illustrations of the relevant architectural styles, designed to evoke the landmarks within the European Union, representing various European ages and styles. For example, the 5 euro note has a generic rendition of Classical architecture, the 10 euro note of Romanesque architecture, the 20 euro note of
1937 Series (banknotes) of Canada modified the colours used from the 1935 Series in part to address the issue that some banknotes could not be easily distinguished in low light. This was particularly problematic for the $1 and $2 banknotes, which "The St. Maurice Valley Chronicle" of Trois-Rivières stated in an article that the green hue of the $1 banknote and the blue hue of the $2 banknote made the obverse appear similar, and that the more distinct colours of the reverse could be "confused in artificial light". The Bank of Canada chose to design the $2 banknotes using a terracotta red called