Willem Wenckebach ( 1860 - 1937 ) was a Dutch painter. Willem Wenckebach s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 312.7 USD for De uiterwaarden van een rivier in 2004 to 1638.47 USD for A LANDSCAPE in 2007 , based on the size and medium of the artwork.