Jean François Gérard Fontallard ( 1777 - 1858 ) was a French painter. Jean François Gérard Fontallard s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1359.57 USD for Bildnis einer Dame in rotem Kleid mit Kameeschmuck in 2007 to 75639.53 USD for PORTRAIT OF NAPOLEON I IN HIS IMPERIAL ROBES in 2008 , based on the size and medium o