Michael Heindorff ( 1949 - ) is a German painter. Michael Heindorff s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 100 USD for HUNTINGTON LIBRARY GARDENS. in 2004 to 732 USD for #23, 24, 25 and 29 (from Caves of San Antonio series) in 2010 , based on the size and medium of the artwork.