Nicolas Regnier ( 1590 - 1667 ) was a Flemish painter. Nicolas Regnier s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 124151.63 USD for LA FORTEZZA , ALLEGORIE DER STÄRKE in 2005 to a remarkable record 505041.25 USD for A MUSICIAN PLAYING A LUTE TO A SINGING GIRL in 2005 , based on the size and medium of the artwork.