Johann Heinrich Troll ( 1756 - 1824 ) was a Swiss painter. Johann Heinrich Troll s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 743.74 USD for AView of the Lake of Vallenstadt-Vue du Lac de Vallenstad in 2006 to 1597.3 USD for A view of the lake of Sarnen in 2009 , based on the size and medium of the artwork.