Guglielmo Della Porta ( 1513 - 1577 ) was an Italian painter. Guglielmo Della Porta s works have been put up for auction numerous times, with realized prices varying from 540.02 USD for Studie för fontän krönt av Fortuna med liggande lejon in 2009 to 11518.46 USD for THE JUDGEMENT OF PARIS in 2010 , based on the size and medium of the artwork.