Martin Schonberger ( 1864 - ) is a Swiss painter. Martin Schonberger s works have been put up for auction numerous times, with realized prices varying from 183 USD for Zuschauer am Rand der Eisbahn in 2005 to 481.31 USD for Porträt Peter Emil Huber-Werdmüller von Zürich in 2007 , based on the size and medium of the artwork.