A beautiful view of Mount Titano with the Three Towers can be seen in the background of the souvenir sheet; the first stamp depicts the Government Building and the Parva Domus in Liberty Square, the second stamp portrays the Captains Regent during the investiture ceremony, while the third stamp shows the symbols of the Captains Regent. This series celebrates the symbolic value of the inscription of San Marino Historic Centre and Mount Titano in the UNESCO World Heritage list on the 7th July 2008: San Marino is one of the world’s oldest republics and the only surviving city-State.