Otto Bachmann ( 1915 - 1996 ) was a Swiss painter. Otto Bachmann s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 182.45 USD for Harlekinkopf in 2004 to 7705.01 USD for Gegenstücke: Fantastischer Karnevalszug in 2009 , based on the size and medium of the artwork.