Martin Kippenberger ( 1953 - 1997 ) was a German Contempory, Neo-Expressionism, Conceptual Art painter. Martin Kippenberger s works have been put up for auction numerous times, with realized prices greatly surpassing estimated prices, varying from 2608.61 USD for Réservé (I hold myself closed. Yo me mantengo) in 2002 to a remarkable record 22565000 USD for Untitled in 2014 , based on the size