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
Danish krone meaning "gold coin". Altogether there are eleven denominations of the krone, with the smallest being the 50 øre coin, which is valued at one half of a krone. Formerly there were more øre coins, but those were discontinued due to inflation. The krone is pegged to the euro via the ERM II, the European Union's exchange rate mechanism. Adoption of the euro is favoured by some of the major political parties, however a 2000 referendum on joining the Eurozone was defeated with 53.2% voting to maintain the krone and 46.8% voting to join the Eurozone. The oldest known Danish coin