Johann August Corvinus ( 1683 - 1738 ) was a German painter. Johann August Corvinus s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 152 USD for Palati S.R.I. Comitis de Questemberg; Palati Sereniss Principis de Liehtenstein in 2004 to 1375 USD for A set of four prospects of Salzburg in 2011 , based on the size and medium of the