Obverse: The reverse of the coin depicts the Pavement pattern of the Campidoglio Square, seat of the Capitol Building in Rome, made by Michelangelo. In the centre, there is the letter R, for Rome, the place where the treaty was signed. On right, the letter E, a symbol of Europe, is made by some geometrical elements of the pavement. At left, incorporated in the pavement pattern, are the initials of the six signatory countries: 'BE' for Belgium; "DE" for Germany; "IT" for Italy; "FR" for France; "LU" for Luxembourg; 'NL' for the Netherlands. Below the pavement is the date, while above, around the rim, the twelve stars of the European Community. Below the pavement is the date 2007, and at the top, around the edge, are the twelve stars of the European Union.
Reverse: View of the Campidoglio Palace in Rome with a well-known staircase in the foreground. In the centre, above the palace, is the Paratina Tower, and to the right is the Euroset logo. The words "TRATTATI DI ROMA", "50 ° ANNIVERSARIO" are engraved at the top. After these inscriptions, the denomination of the coin is "20 EURO".
About the coin: The coin symbolizes the 50th anniversary of the Treaty of Rome, which was signed after World War II. By this Treaty, Belgium, West Germany, France, Italy, Luxembourg and the Netherlands established the European Community.