Otto Greiner ( 1869 - 1916 ) was a German painter. Otto Greiner s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 641.19 USD for Herr mit schwarzer Jacke in 2005 to 18808.24 USD for Studienblatt mit einer Frau in 2005 , based on the size and medium of the artwork.