Philip Van Dyk ( 1680 - 1753 ) was a Dutch painter. Philip Van Dyk s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1116 USD for Half-length Portrait of Sara Louise de Laignier in 2006 to 4273.54 USD for Portrait of an aristocratic lady in 2010 , based on the size and medium of the artwork.