Jo Koster ( 1869 - 1944 ) was a Dutch painter. Jo Koster s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 14226 USD for A cornfield in 2002 to 14564.21 USD for GIRLS ON A SUNDAY STROLL, POSSIBLY HATTEM in 2007 , based on the size and medium of the artwork.