Willy Martens ( 1856 - 1927 ) was a Dutch painter. Willy Martens s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 840.29 USD for In half licht: girl in an interior in 2004 to 6918.37 USD for A sunny day in the dunes in 2004 , based on the size and medium of the artwork.