Asta Gröting ( 1961 - ) is a German painter. Asta Gröting s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 261.01 USD for Bauchredner und innere Stimme in 2004 to 647.77 USD for Diogenes tunna Objekt in 2006 , based on the size and medium of the artwork.