Toon (antonius Stanislas Nicolaas Ludovicus) Dupuis ( 1877 - 1937 ) was a Belgian painter. Toon (antonius Stanislas Nicolaas Ludovicus) Dupuis s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 264.21 USD for Mannenportret in 2004 to 5110.3 USD for Johan van Oldenbarnevelt in 2005 , based on the size and medium of the artwork.