Clydesdale Bank £5 note In 2015 a new polymer note was introduced, featuring an image of the Forth Bridge on the reverse and a portrait of William Arrol, whose firm constructed the bridge, on the obverse. This note was the first British banknote to be made entirely from polymer. Information taken from The Committee of Scottish Bankers website. Clydesdale Bank £5 note The Clydesdale Bank £5 note is a banknote of the pound sterling. It is the smallest denomination of banknote issued by the Clydesdale Bank. The current polymer note, first issued in 2015, bears an image of engineer William Arrol on the obverse
Federal Reserve Note denominated notes since the 1990 series a vertical laminate strip imprinted with denomination information, which under ultraviolet light fluoresces a different color for each denomination ($5 note: blue; $10 note: orange; $20 note: green; $50 note: yellow; $100 note: red). According to the central banks, the number of counterfeited bank notes seized annually is about 10 in one million of real bank notes for the Swiss franc, of 50 in one million for the Euro, of 100 in one million for United States dollar and of 300 in one million for pound sterling. Critics, such as the American Council of