William Henry Hamilton Trood (after) ( 1848 - 1899 ) was a British painter. William Henry Hamilton Trood (after) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 13.05 USD for A Plan of Campaign (Dogs looking at a Blackbird on a Barrel) in 2004 to 40000 USD for Sleeping Pups in 2008 , based on the size and medium of the artwork.