Louis De Boullogne (after) ( 1654 - 1733 ) was a French painter. Louis De Boullogne (after) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 565.66 USD for Vulcain in 2011 to 2178.4 USD for LEDA AND THE SWAN in 2015 , based on the size and medium of the artwork.