Willem Cornelis (will) Kalshoven ( 1907 - 1966 ) was a Dutch painter. Willem Cornelis (will) Kalshoven s works have been put up for auction numerous times, with realized prices varying from 540 USD for Vase of Flowers in 2007 to 590 USD for Still Life with Flowers—1949 in 2007 , based on the size and medium of the artwork.