5 euro note less than a year before it is replaced due to wear. Measuring 120 x 62mm, it is the smallest of the euro notes, and has a grey colour scheme. The five euro banknotes depict bridges and arches/doorways in Classical architecture (up to the fifth century). The five euro note contains several complex security features such as watermarks, invisible ink, holograms and microprinting that document its authenticity. On 8 November 2012, the European Central Bank announced the first series of notes will be replaced by the Europa series, starting with the 5 euro note on 2 May 2013. The euro was
Bulgaria and the euro banknotes. The second series of notes (beginning with the €5 note issued from 2013) includes the term "ЕВРО" and the abbreviation "ЕЦБ" (short for "Европейска централна банка", the Bulgarian name of the European Central Bank). The first series had only the standard Latin alphabet "EURO" and the Greek "ΕΥΡΩ". The euro coins only have the Latin "EURO" on their common side. Greek coins include the alternative Greek spelling on the national (obverse) side. Bulgarian coins, therefore, may follow suit, having "EURO" on one side and "ЕВРО" on the other. The plural of евро in Bulgarian varies in spoken language –