Rudolf Feodorovich Frentz ( 1881 - 1918 ) was a painter. Rudolf Feodorovich Frentz s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 79.87 USD for Tillskriven in 2008 to 12810 USD for Two retrievers in a landscape in 2010 , based on the size and medium of the artwork.