Dirk Jan Koets ( 1895 - 1956 ) was a Dutch painter. Dirk Jan Koets s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 338.73 USD for Havenbedrijvigheid in 2009 to 1907.98 USD for Campveerse Toren in 2014 , based on the size and medium of the artwork.