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
1 euro coin that year in that condition by the country. In Germany, there are five mint marks, so they mint ten types of coins in every year. In Greece, there were coins in 2002 which were minted in Finland with S mint mark. In the Vatican, there were coins minted with John Paul II's effigy, and with "Sede Vacante" image in 2005. There are several error 1-euro coins: Italian types from 2002 without mintmarks; Portuguese coins, also from 2002 with another type of edging (29 stripes instead of 28) and from 2008 with the first type of the common side, officially used