Gaston Albert Chopard ( 1883 - 1942 ) was a French painter. Gaston Albert Chopard s works have been put up for auction numerous times, with realized prices varying from 79.31 USD for Portrait de Franz Vanderpyl in 2008 to 498.69 USD for Antilope ; Cerf assis ; Macaques in 2015 , based on the size and medium of the artwork.