Harold C Brockton Dunbar (attributed To) ( 1882 - 1953 ) was an American painter. Harold C Brockton Dunbar (attributed To) s works have been put up for auction numerous times, with realized prices varying from 287 USD for Cape Cod landscape with pond. in 2007 to 400 USD for Three sailboats in moonlight in 2015 , based on the size and medium of the artwork.