William Sidney Cooper (after) ( 1854 - 1927 ) was a British painter. William Sidney Cooper (after) s works have been put up for auction numerous times, with realized prices varying from 294.26 USD for 'Cattle and sheep beside a brook with figures' in 2005 to 850 USD for Cattle resting in a mountainous landscape, a farm beyond in 2005 , based on the size and medium of the artwork.