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
20 euro cent coin denomination of the coin from its design, Greece is exempt from this requirement as it uses a non-Latin alphabet. In addition, there are several EU states that have not yet adopted the euro. While some of them have already agreed upon their coin designs, these are not yet minted as it is not known exactly when they will adopt the currency. See enlargement of the Eurozone for expected entry dates of these countries. 20 euro cent coin The 20 euro cent coin (€0.20) has a value of one fifth of a euro and is composed of an alloy called nordic