Jacob Alt ( 1789 - 1872 ) was a German painter. Jacob Alt s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 5497.76 USD for View of entrance to Nonnberg foundation in Salzburg in 2003 to 38249.27 USD for Scene of Castellamare on the Gulf of Naples in 2012 , based on the size and medium of the artwork.