Leopold Pollak ( 1806 - 1880 ) was an Austrian painter. Leopold Pollak s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 976.42 USD for Portrait einer jungen Frau im schwarzen schulterfreien Taftkleid in 2004 to 4416.96 USD for Sturm im Belt in 2006 , based on the size and medium of the artwork.