Adriaan Van Der Werff ( 1659 - 1722 ) was a Dutch painter. Adriaan Van Der Werff s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 29816.51 USD for Portrait of a lady, three-quarter-length in a black cap and black dress with a lace collar, before a red curtain in 2003 to 76768.37 USD for TWO CHILDREN PLAYING WITH A CAT HOLDING A B