Oskar Graf ( 1873 - 1957 ) was a German painter. Oskar Graf s works have been put up for auction numerous times, with realized prices varying from 135.41 USD for Altstadt an südlicher Küste. in 2007 to 508.24 USD for Fischer im Hafen - Die Mutter versorgt das Neugeborene, Kinder holen die Netze ein, andere bereiten das Essen zu in 2011 , based on the size and medium of the artwork.