Jean Alexis Achard ( 1807 - 1884 ) was a French painter. Jean Alexis Achard s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1972.39 USD for Idyllischer Sommertag in 2004 to 3471.29 USD for Le Pont de Sassenage in 2011 , based on the size and medium of the artwork.