The Lion of St. Mark
Il leone di San Marco (original)
In 1620 pirates are terrorizing the Adriatic coast. Our hero sets out to defeat them.
Watch "The Lion of St. Mark" on Tubi TV released in 1963. It's a action & adventure movie, and has a rating of 5.4 out of 10 from Imdb which is fairly okay for this kind of movie, and is currently available to watch for free.