5 euro note used on the banknotes as a result of Bulgaria joining the European Union in 2007. Therefore, the new series of Euro banknotes will include "ЕВРО", which is the Bulgarian spelling for EURO as well as the abbreviation "ЕЦБ" (short for "Европейска централна банка" in Bulgarian). The European Central Bank will, in due time, announce when banknotes from the first series lose legal tender status. The five euro note is the smallest at with a grey colour scheme. All bank notes depict bridges, arches or doorways in a different historical European style; the five euro note shows the Classical era (up
50 euro note 50 euro note The fifty euro note (€50) is one of the middle value euro banknotes and has been used since the introduction of the euro (in its cash form) in 2002. The note is used by some 343 million Europeans and in the 23 countries which have the euro as their sole currency (with 22 legally adopting it). In August 2018, there were about 10,030,000,000 fifty euro banknotes in circulation in the eurozone. It is by far the most widely circulated denomination, accounting for over 46% of the total banknotes. Estimates suggest that the average life of a fifty