The Istituto Poligrafico Zecca della Stato (IPZS) has released new collector coins (4th May) which mark the 900th anniversary year of the consecration of the medieval cathedral of Santa Maria Assunta in Pisa. The Cathedral of Santa Maria Assunta, along with the Baptistery and the famous Leaning Tower, bear witness to the prestige achieved by the city as one of the most important maritime republics