Built in the early 18th century by the architect Tommaso Mattei, the palace was later bought by Count Felice Centini, who had it renovated in 1742 by Francesco Rosa.
The last owners were the Toni family, who gave the building its current name.
It is also known as the "Casa dei Pupazzi" (House of the Puppets) because of the pairs of caryatids that support the spiral tympanums of each window on the first floor.
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