Otto Merkel ( 1869 - 1939 ) was an American painter. Otto Merkel s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 850 USD for WISTFUL YOUNG LADY in 2010 to 4266 USD for portrait of C. Hartman Kuhn, Director of the Insurance Company of North America in 2010 , based on the size and medium of the artwork.