Ronald Ossory Dunlop (attributed To) ( 1894 - 1973 ) was a British painter. Ronald Ossory Dunlop (attributed To) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 98.3 USD for Houseboat in 2005 to 1116.83 USD for Jean in 2010 , based on the size and medium of the artwork.