Raymond Auguste Quinsac Monvoisin ( 1794 - 1870 ) was a French painter. Raymond Auguste Quinsac Monvoisin s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 2209.67 USD for Portrait de deux enfants jouant avec un chien in 2013 to 10980.61 USD for ALI PASHA (1740 - 1822) WITH HIS FAVOURITE MISTRESS KIRA VASSILIKI in 2015 , based on