Decimal Day use pennies or threepenny pieces, to pay them in multiples of 6d (p, the lowest common multiple of the two systems). Bus companies (at that time many state-owned by the National Bus Company) were another exception, going decimal on Sunday 21 February. Decimal Day itself went smoothly. Criticisms included the small size of the new halfpenny coin and the fact that some traders had taken advantage of the transition to raise prices. Some used new pennies as sixpences in vending machines. After 15 February, shops continued to accept payment in old coins, but always issued change in new coins. The
Monégasque euro coins Monégasque euro coins Monégasque euro coins feature two separate designs for the first two series of coins, and also two separate designs for the €1 and €2 coins for the first series. All the coins are inscribed with the word "Monaco" and the twelve stars of Europe. The Monégasque euro coins are minted by the Monnaie de Paris (Paris Mint). For images of the common side and a detailed description of the coins, see euro coins. In Monaco the euro was introduced in 2002. However, the first sets of coins were minted, as preparation, in 2001. Hence the first euro