500 euro note rapidly so that in the first 7 years (up to December 2008) there were 530,064,413 five hundred euro banknotes in circulation. Subsequently, the rate of increase was radically slowed. In August 2018, there were approximately 515,000,000 banknotes in circulation (decreased from 614,000,000 in 2015). It is the second least widely circulated denomination, accounting for 2.4% of the total banknotes. It is the largest note measuring 160 × 82 mm and has a purple colour scheme. The five hundred euro banknotes depict bridges and arches/doorways in modern architecture (around the late 20th century). The five hundred euro note contains several complex
1 euro coin until 2007; and the famous Monegasque coin from 2007 without mint marks. 1 euro coin The 1-euro coin (€1) is a euro coin with a value of one euro (€1). It is made of two alloys: the inner part of cupronickel, the outer part of nickel brass. All coins have a common reverse side and country-specific national sides. The coin has been used since 2002, with the present common side design dating from 2007. As of July 2015, there were approximately 6.7 billion one-euro coins in circulation, constituting 26.4% of all circulated euro coins by value and 5.9% by quantity.