Johann Christopher Winkler ( 1701 - 1770 ) was a German painter. Johann Christopher Winkler s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 345 USD for The Visitaion in 2004 to 2303.09 USD for Anbetung der Hirten in 2004 , based on the size and medium of the artwork.