Theodor Kleehaas ( 1854 - 1929 ) was a German painter. Theodor Kleehaas s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 657.46 USD for Mädchen mit Gitarre auf einer Almwiese in 2004 to 15233.07 USD for Preparing the attack in 2007 , based on the size and medium of the artwork.