Johann Martin Bernatz ( 1802 - 1878 ) was a German painter. Johann Martin Bernatz s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 825.63 USD for View of the church of Ladenburg in 2004 to 8305.65 USD for THE HIPPODROME, CONSTANTINOPLE in 2009 , based on the size and medium of the artwork.