Augustin Pierre Bienvenue Chenu ( 1833 - 1875 ) was a French painter. Augustin Pierre Bienvenue Chenu s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 49.27 USD for Grotte in 2005 to 7200 USD for Cattle grazing in a pasture in 2005 , based on the size and medium of the artwork.