The one on the right shows the pope St. Sylvester baptizing Constantine the Great .
The left shows St. Blaise holding Dubrovnik in St. Sylvester 's 's arm and Trpanj in the background .
The one on the right shows the pope St. Sylvester baptizing Constantine the Great and the left shows St. Blaise holding Dubrovnik in his arm and Trpanj in the background .