Balthus (balthasar Klossowski De Rola) ( 1908 - 2001 ) was a French Modern Art painter. Balthus (balthasar Klossowski De Rola) s works have been put up for auction numerous times, with realized prices greatly surpassing estimated prices, varying from 39963.67 USD for Jeune fille endormie - Portrait de Jeannette (study) in 2003 to a remarkable record 19002500 USD for Thérèse sur une banquette i