Robert Creswell Boak ( 1875 - 1949 ) was an Irish painter. Robert Creswell Boak s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 50.69 USD for North country river landscapes in 2005 to 1526.1 USD for ROCKS ON THE SHORE in 2006 , based on the size and medium of the artwork.