John O'hara Cosgrave Ii ( 1908 - 1968 ) was an American painter. John O'hara Cosgrave Ii s works have been put up for auction numerous times, with realized prices varying from 34 USD for boats at a dock with buildings in the background in 2005 to 126 USD for Squall at the Mark in 2005 , based on the size and medium of the artwork.