Theodor Otto Michael Guggenberger ( 1866 - 1929 ) was a German painter. Theodor Otto Michael Guggenberger s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 816.66 USD for Abendstimmung am See in 2004 to 2061.86 USD for Blick auf Zell am See mit Gebirgspanorama in 2007 , based on the size and medium of the artwork.