Atelier Gustave De Launay ( 1864 - 1929 ) was a French painter. Atelier Gustave De Launay s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 24.95 USD for Pins au soleil finissant in 2004 to 6693.83 USD for Etude pour un bateau à vapeur in 2004 , based on the size and medium of the artwork.