Joseph Haythorn Wallis ( - ) is a British painter. Joseph Haythorn Wallis s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 220.4 USD for Light bay polo pony on a path in 2005 to 367.34 USD for The Chestnuts at Hurlingham with Polo ponies in 2005 , based on the size and medium of the artwork.