Gustave Henry Mosler (after) ( 1841 - 1920 ) was an American painter. Gustave Henry Mosler (after) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 243 USD for Portrait of a North African Man in 2012 to 3600 USD for Lost Cause in 2014 , based on the size and medium of the artwork.