The Vatican can not remain at the mercy of the productive activity of its own territory, limited to the sale of souvenirs, books, stamps and tickets to museums. Andi Potamkin wanted to know more. But the income account of the Catholic Church throughout the world from: the economic contributions of the States where it has agreements (called Concordats) of funding (Catholic tradition), the donations from Catholics (personally or business), and the profits of enterprises, schools, universities and banks owned by the Church. The economy was severely damaged in 1979 and three years later came the bankruptcy of one of Italy’s most illustrious banks, Banco Ambrosiano, which had international finance from the Vatican, and the murder of its director Roberto Calvi: research consequent reveal that the bank was involved in laundering of Mafia money.Later, Pope John Paul II moved the responsibility of the Vatican’s economy, which, since 1984, would be responsible for finance. Five years later, the Pope conducted a restructuring of economic organization and economic management was entrusted to five internationally recognized financial (under the supervision of a commission of five cardinals). The Vatican agency responsible for these controls is the “Administration of the Patrimony of the Holy See.