Euro coins edge of the €2 coin also protects it from counterfeiting. Euro coins were designed in cooperation with organisations representing blind persons, and as a result they incorporate many features allowing them to be distinguished by touch alone. In addition, their visual appearance is designed to make them easy to tell apart for persons who cannot read the inscriptions on the coins. The coins increase in size and weight with value. Of the eight denominations of euro coins, the three lowest denominations are small, resemble copper in colour and are quite thin and light. The next three denominations resemble gold in
Euro coins second eurozone-wide issue of a 2-euro commemorative coin was issued, celebrating ten years of the Economic and Monetary Union (EMU). In 2012, the third eurozone-wide issue of a 2-euro commemorative coin was issued, celebrating 10 years of euro coins and notes. To date, only Cyprus has not independently issued a €2 commemorative coin. As the EU's membership has since expanded in 2004, 2007 and 2013, with further expansions envisaged, the common face of all euro coins from the value of 10c and above were redesigned in 2007 to show a new map. Slovenia joined the eurozone in 2007, Cyprus and