Special Administration of the Holy See

The Special Administration of the Holy See (Italian: Amministrazione Speciale della Santa Sede, abbreviated ASSS) was a dicastery of the Roman Curia from 1929 to 1967. It was established by Pope Pius XI on 7 June 1929 to manage the ₤it. 750 million in cash and 1,000 million in Italian government bonds transferred to the Holy See in implementation of the Financial Convention attached to the Lateran Treaty of 1929.

In 1967, Pope Paul VI combined the Special Administration of the Holy See and the Administration of the Property of the Holy See into one office, the Administration of the Patrimony of the Apostolic See, erected on 15 August 1967.

...
Wikipedia