Arthur Vidal Diehl ( 1870 - 1929 ) was an American painter. Arthur Vidal Diehl s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 4700 USD for Boat Houses, Provincetown in 2004 to 575000 USD for Moonlight Sail in 2010 , based on the size and medium of the artwork.