Thomas Sidney Cooper (after) ( 1803 - 1902 ) was a painter. Thomas Sidney Cooper (after) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 78.55 USD for Cattle, figures and buildings in 2004 to 8000 USD for Pastoral scene with a flock of sheep resting in the foreground in 2006 , based on the size and medium of the artwork.