Edouard Leon Theodore Mesens ( 1903 - 1971 ) was a Belgian painter. Edouard Leon Theodore Mesens s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 5223.07 USD for ARRIÈRE-PENSÉE in 2004 to 11142.81 USD for La Noctambule (The Night Prowler) in 2019 , based on the size and medium of the artwork.