Josef Rolf Knobloch ( 1891 - 1964 ) was a German painter. Josef Rolf Knobloch s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 329.03 USD for Porto Finare in 2004 to 5000 USD for Houses at Izar`s bank in 2005 , based on the size and medium of the artwork.