Euro banknotes Gothic architecture, the 50 euro note of the Renaissance, the 100 euro note of Baroque and Rococo, the 200 euro note of Art Nouveau and the 500 euro note of modern architecture. The initial designs by Robert Kalina were of actual bridges, including the Rialto Bridge in Venice and the Pont de Neuilly in Paris, and were subsequently rendered more generic. In 2011, Dutch artist Robin Stam and the town of Spijkenisse in the Netherlands built seven bridges of colored concrete after the designs on the seven euro banknotes. The euro banknotes bear the signature of the President of the
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.