Carl Porttmann ( 1837 - 1894 ) was a German painter. Carl Porttmann s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1277.72 USD for In sicherer Hut. Hütejunge hinter Holzzaun, auf einen Stier blickend in 2004 to 3751.78 USD for DER ABSCHIED in 2007 , based on the size and medium of the artwork.