Alois Erdtelt ( 1851 - 1911 ) was a German painter. Alois Erdtelt s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 829.56 USD for Knabenporträt in 2005 to 3318.25 USD for Kleines Mädchen in Dachauer Tracht in 2005 , based on the size and medium of the artwork.