Johann Peter Von Langer ( 1756 - 1824 ) was a German painter. Johann Peter Von Langer s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 641.03 USD for Allegorie auf das Christuskind in 2005 to 1659.13 USD for Catharina Elisabeth Böninger in 2005 , based on the size and medium of the artwork.