What is the Bronco Buster by Frederick Remington Worth?

The turn of the 20th century was a type of renaissance for American art. Frederic Remington's iconic sculpture, "The Bronco Buster," is an excellent example of this kind of American Western Art. Created in 1895, it marked Remington's debut as a sculptor being widely known as an illustrator and painter though, showcasing his unique ability to capture the energy and drama of the rider-horse struggle.
Only 19 of these bronze castings were made, of which this is number 12.
So what’s it worth?