Hans Robert Pippal ( 1915 - 1998 ) was an Austrian painter. Hans Robert Pippal s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1110.29 USD for Dorfstraße in Mörbisch in 2003 to 5539.31 USD for Sieveringerstraße in 2016 , based on the size and medium of the artwork.