Saverio Xavier Della Gatta ( 1777 - 1827 ) was an Italian painter. Saverio Xavier Della Gatta s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 5333.93 USD for HAVING DINER in 2003 to 118750 USD for View of Naples from Portici; and View of the Palazzo Reale at Portici with figures in the foreground and Mount Vesuvius in the b in 2