 Others, however, are quite happy to point out the strengths of the second bust, Charles Avery calling it ""one of the greatest portraits of all time in any medium, this bust is a work of genius""

A bronze version, created from the terracotta bozzetti (preparatory works) done by Bernini, exists in a private collection in New York.There is also a drawing of Scipione Borghese, done in red chalk and graphite, in the Morgan Library in New York.Finally, there is a caricature of the same sitter done by Bernini in the Vatican Library, Italy.