Philips de Koninck ( 1619 - 1688 ) was a Dutch Golden Age painter. Philips de Koninck s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 51000 USD for PANORAMIC LANDSCAPE WITH THE MOUTH OF A RIVER in 2004 to a remarkable record 1696000 USD for A PANORAMIC RIVER LANDSCAPE in 2006 , based on the size and medium of the artwork.