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 the country's monarch, often in a design carried over from the former currency (e.g. Belgian coins). Republics tend to feature national monuments, symbols, or stylised designs (such as French coins). Engravings on the edge of the €2 coin are also subject to national choice. There are, however, some restrictions on the design: it must include twelve stars, the engraver's initials, and the year of issue. New issues must also include the name of the issuing country or an abbreviation of it. It may not repeat the denomination of the coin or the word "euro" unless it is in a different