Karl Hofer ( 1878 - 1955 ) was a German painter. Karl Hofer s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 40294.15 USD for Mädchen mit Schallplatte in 2002 to 445505.17 USD for Die Maskerade (Karneval). Um 1923/24. in 2004 , based on the size and medium of the artwork.