Gaston Bouy ( 1866 - 1943 ) was a French painter. Gaston Bouy s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 528 USD for A Portrait of a Lady in a Yellow Gown in 2004 to 955.04 USD for Lady in a Blue Dress in 2010 , based on the size and medium of the artwork.