Rosa Bonheur & Christophe Fratin ( 1822 - 1899 ) was a French painter. Rosa Bonheur & Christophe Fratin s works have been auctioned off multiple times, with realized prices varying according to the size and medium of the artwork, for instance of 6875 USD for A SHEEP GRAZING, A BELLOWING BULL AND A WALKING BULL (THREE WORKS) in 2008