Ernst Bischoff Culm ( 1870 - 1917 ) was a German painter. Ernst Bischoff Culm s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 31.12 USD for Menzel in 2005 to 1430.27 USD for Femme à l'ombrelle et son chien dans un parc in 2016 , based on the size and medium of the artwork.