Franjo Mraz ( 1910 - 1981 ) was a Yugoslavian painter. Franjo Mraz s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 2300.69 USD for Kartoffelernte in 2005 to 3067.58 USD for Dorfstrasse in 2005 , based on the size and medium of the artwork.