C Michel Hamon Duplessis ( 1770 - ) is a French painter. C Michel Hamon Duplessis s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 6413.58 USD for HALTE DE CAVALIERS DEVANT DES RUINES ANTIQUES in 2004 to 10625 USD for HERDERS RESTING BEFORE RUINS in 2008 , based on the size and medium of the artwork.