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
500 euro note supply of euro notes and to maintain their integrity throughout the euro area. The €500 banknote peaked at the end of March 2009 at 36.9% of the value of all Euro banknotes.Circulation by numbers of notes peaked at 613,559,542 banknotes in December 2015 when the decision to not include this denomination in the new Europa series was made. The lowest number of €500 banknotes in recent years is, 507,033,274 in February 2018. Besides the date of the introduction of the first set to January 2002, the publication of figures is more significant through the maximum number of banknotes raised each