Eugen Birzer ( 1847 - 1905 ) was a German painter. Eugen Birzer s works have been put up for auction numerous times, with realized prices varying from 770.06 USD for Floßlände an der Isar bei München in 2012 to 993.88 USD for Bäuerin bei einer Brücke am Bach in 2013 , based on the size and medium of the artwork.