Antoine Jean Gros (attributed To) ( 1771 - 1835 ) was a French painter. Antoine Jean Gros (attributed To) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 13793.1 USD for Portrait de jeune garçon in 2005 to 23011.59 USD for Sapho à Leucate in 2011 , based on the size and medium of the artwork.