200 euro note yellow colour scheme. The two hundred euro banknotes depict bridges and arches/doorways in Art Nouveau style (19th and 20th centuries). The €200 note contains several complex security features such as watermarks, invisible ink, holograms and microprinting that document its authenticity. The new banknotes of the Europa series 200 euro banknote will start circulating on 28 May 2019. The euro was founded on 1 January 1999, when it became the currency of over 300 million people in Europe. For the first three years of its existence it was an invisible currency, only used in accountancy. Euro cash was not introduced until
Banknotes of the Republic of Ireland prefix "T" on the serial number. A further complication is that the actual printing of banknotes is not necessarily undertaken in the country in which banknotes are given a serial number and released. The Central Bank of Ireland is the sole Irish printer of euro banknotes (in some other Eurozone countries, notes are printed by a private company commissioned to do so by the central bank, rather than the central bank itself). Any notes printed by the Central Bank of Ireland will have the prefix "K" before the series code in a small star on the front of the banknote.