Maurice Louis Henri Neumont ( 1868 - 1930 ) was a French painter. Maurice Louis Henri Neumont s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 66.33 USD for Massacre des Innocents. au bon vieil Ann Leandre in 2005 to 1875 USD for ON NE PASSE PAS! in 2014 , based on the size and medium of the artwork.