Roelof Koets Jr ( 1655 - 1725 ) was a Dutch painter. Roelof Koets Jr s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 3525.44 USD for A family portrait in a landscape in 2013 to 8025.68 USD for STILL LIFE WITH GRAPES AND VINES ARRANGED IN A BASKET ON A STONE LEDGE, WITH BUTTERFLIES, A GRASSHOPPER AND A SPIDER in 2014 , based on t