Constantin Holzer defanti ( 1881 - 1981 ) was an Austrian painter. Constantin Holzer defanti s works have been put up for auction numerous times, with realized prices varying from 373.04 USD for Pierrette mit Banjo in 2006 to 497.39 USD for Pierrette(Anita Berber) in 2006 , based on the size and medium of the artwork.