Gillis Van Valckenborch ( 1570 - 1622 ) was a Belgian painter. Gillis Van Valckenborch s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 10284.54 USD for A moonlit landscape with classical ruins and the Penitent Magdalen in 2005 to 31210.99 USD for THE WEDDING OF NEPTUNE AND AMPHITRITE in 2014 , based on the size and medium of the