Cosimo I de' Medici, then the second duke of Florence, purchased the Palazzo Pitti in 1549, and up until the completion of Versailles in Paris in the early 18th Century, Palazzo Pitti was considered the most opulent palace in Europe.

BBC: Florence??s best-kept secret

When it was discovered in late 1553 near Arezzo, southeast of Florence, along with some smaller bronzes, it was quickly claimed by Cosimo I de' Medici, then the Duke of Florence, later the first Grand Duke of Tuscany, and the founder of the Uffizi.

WSJ: The Imaginary Made Nearly Read | The Chimera of Arezzo | Masterpiece by Judith H. Dobrzynski