Rosemarie Trockel ( 1952 - ) is a German painter. Rosemarie Trockel s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 2361.62 USD for Untitled (Mermaids) in 2003 to a remarkable record 4981000 USD for UNTITLED in 2014 , based on the size and medium of the artwork.