Johann Georg Wagner ( 1744 - 1767 ) was a German painter. Johann Georg Wagner s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 170.39 USD for Un paysage montagneux avec une chaumière in 2006 to 2829.98 USD for A horseman in a landscape with ruins in 2011 , based on the size and medium of the artwork.