Jan Christian Poortenaar ( 1886 - 1958 ) was a Dutch painter. Jan Christian Poortenaar s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 179.12 USD for Bruggetje Noord-Holland in 2004 to 6956.25 USD for Boogschutter van de Soeshoenan in 2013 , based on the size and medium of the artwork.