Hans Hamza ( 1879 - 1945 ) was an Austrian painter. Hans Hamza s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1647.58 USD for Rokokoherr am Schreibsekretdr in 2005 to 5010.28 USD for Young Girl in Front of the Mirror in 2013 , based on the size and medium of the artwork.