Karl Gsellhofer ( 1779 - 1858 ) was an Austrian painter. Karl Gsellhofer s works have been put up for auction numerous times, with realized prices varying from 7456.01 USD for Et par portrætter af friherre Georg von Pfister (1772-1846) og dennes hustru Johanna Friderike von Pfister født Hummel (1784-182 in 2005 to 108602.9 USD for Girl with a Triangle in 2012 , based on the size and medium of