Cornelis Ketel (after) ( 1548 - 1616 ) was a Dutch painter. Cornelis Ketel (after) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 287.1 USD for Portrait of a lady, half-length, in a black dress with a lace-trim collar in 2005 to 2550.86 USD for PORTRAIT OF A GENTLEMAN, THREE-QUARTER LENGTH, IN A BLACK SLASHED DOUBLET AND A EMBR