 For this reason, they do not take part in EU referenda.Before Denmark's 2000 referendum on the issue, Danmarks Nationalbank and the Royal Mint were asked by the Ministry of Economics to propose possible designs for the future Danish euro coins.The suggested design was based on the designs of the Danish 10- and 20-krone coins, with Queen Margrethe II on the front, and the 25- and 50-øre coins, switching their back motif (a crown) to the front of the euro coins.