Jakob Matthias Schmutzer ( 1733 - 1811 ) was an Australian painter. Jakob Matthias Schmutzer s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 134.47 USD for Two heads of bearded men looking up, after Rubens (?) in 2003 to 10206.49 USD for A sleeping boy in 2006 , based on the size and medium of the artwork.