Konrad Peter Cornelius Klapheck ( 1935 - ) is a German painter. Konrad Peter Cornelius Klapheck s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 530.88 USD for Dampfbügeleisen (Die Schwiegermutter) in 2002 to a remarkable record 322868.81 USD for Die Terroristin in 2018 , based on the size and medium of the artwork.