Sacristy & Treasury Museum (Rome)

is a building which was attached to the basilica under Pius VI who commissioned Carlo Marchionni (1702-1786) to build it in 1776. On the right o the entrance, is a list o the popes buried in St. Peter's and a statue of St. Andrew in polychrome marble, and then a gallery, decorated with columns of the rarest marbles and bronze busts of Benedict XIII and Paul IV by Agostine Penna. The main Sacristy, which is octagonal, is decorated with eight columns from Hadrian's Villa in Tivoli.

From the sacristy, the ten rooms which house the Treasury can be visited.