Jan Holtrop ( 1917 - 1995 ) was a Dutch painter. Jan Holtrop s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1245.43 USD for Boerderij aan bosrand, Achterhoek in 2004 to 3321.16 USD for Aardappelrooiers in de achterhoek in 2004 , based on the size and medium of the artwork.