Leopold Zinnogger ( 1811 - 1872 ) was an Australian painter. Leopold Zinnogger s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 608.03 USD for Dirndl twig in 2004 to 7385.84 USD for Still Life with Watermelon and Grapes in 2017 , based on the size and medium of the artwork.