Gerhard Vilhelm Ernst Heilmann ( 1859 - 1946 ) was a Danish painter. Gerhard Vilhelm Ernst Heilmann s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 18.95 USD for Landskab med bygninger. in 2004 to 1356.37 USD for Three small birds by a large stone in 2006 , based on the size and medium of the artwork.