Leopold Henderyckx ( 1888 - 1960 ) was a painter. Leopold Henderyckx s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 224.8 USD for Attaque de nuit sur l'Yser en 1917 in 2007 to 3965 USD for Two Yorkshire Terriers on a Pillow in 2013 , based on the size and medium of the artwork.