Otto Charles Banninger ( 1897 - 1973 ) was a Swiss painter. Otto Charles Banninger s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 5391.1 USD for PFERDEKOPF in 2004 to 17878.43 USD for Stehender weiblicher Akt. in 2017 , based on the size and medium of the artwork.