Hannes Maria Flach ( 1901 - 1936 ) was a painter. Hannes Maria Flach s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 228.77 USD for Stippeföttche Kölner Karneval in 2004 to 1103.27 USD for MUTTER EY im Gespräch mit Rechtsanwalt Haubrich, Direktor Klug Köln in 2013 , based on the size and medium of the artwork.