The museum connected to the basilica is home to one of the oldest-known pieces of European patchwork, the so-called Impruneta Cushion, dating from the late 14th or early 15th centuries. The cushion belonged to Bishop Antonio degli Agli, priest in charge of Santa Maria dell'Impruneta from 1439 to his death in 1477, and was found in his tomb after the church was damaged by an Allied bomb in 1944.