Waldemar Lorentzon ( 1899 - 1984 ) was a Swiss painter, cartoonist and graphic artist. Waldemar Lorentzon s works have been put up for auction numerous times, with realized prices greatly surpassing estimated prices, varying from 3557.81 USD for I PROVENCE in 2003 to a remarkable record 298398.84 USD for Parisiska gatumusikanter in 2009 , based on the size and medium of the artwork.