Engelbert Rieger ( 1951 - ) is a painter. Engelbert Rieger s works have been put up for auction numerous times, with realized prices varying from 285.06 USD for Stehender weiblicher Akt in 2010 to 505.47 USD for Weiblicher Akt liegend, 2004, in 2017 , based on the size and medium of the artwork.