Johann Walch ( 1757 - 1816 ) was a German painter. Johann Walch s works have been put up for auction numerous times, with realized prices varying from 127.38 USD for Neue militairische Situations Karte von West- Russland/Nouvelle Carte... in 2005 to 288.72 USD for Karte vom Koenigreich Baiern in Kreise eingetheilt... in 2005 , based on the size and medium of the artwork.