It is thought to have been made in 1508, at the end of the artist's Florentine period.
About 110 of the 4-cylinder models are thought to have been made.
Only around 100 are thought to have been made, with just three known copies in the hands of collectors.
About 800 12/24s are thought to have been made.
These elephants are thought to have been made in 1660 to 1690.
The first flight of the Venture is thought to have been made in 1947.
Only a few are thought to have been made.
The film was thought to have been made in March 2001.
It is thought to have been made early in the artist's career, from 1495 to 1505.
Between 500 and 1000 cars are thought to have been made.