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
Sammarinese euro coins Sammarinese euro coins Sammarinese euro coins feature separate designs for every coin. All the coins are inscribed with the words "San Marino" and the twelve stars of the EU. The Sammarinese euro coins are minted by Istituto Poligrafico e Zecca dello Stato (IPZS), in Rome, Italy. For images of the common side and a detailed description of the coins, see euro coins. The Republic, just like the other European states who have the right to issue euro coins, issues commemorative coins, of which the most notorious denomination is €2. The Republic has also issued commemorative euro coins in other denominations,