Paul Cesar Helleu ( 1859 - 1927 ) was a French painter. Paul Cesar Helleu s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1069.01 USD for Femme au chapeau in 2002 to a remarkable record 583198.59 USD for PORTRAIT DE MADAME HELLEU À L'OMBRELLE in 2014 , based on the size and medium of the artwork.