Toon Koster ( 1913 - 1989 ) was a Dutch painter. Toon Koster s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 415.32 USD for A VIEW OF A LANDSCAPE in 2003 to 1541.49 USD for Polderlandschap bij avond in 2005 , based on the size and medium of the artwork.