BG is Brescia Gardone the major gun center in Italy. Brescia is the province, Gardone is the city.
The winged lion or lion is the symbol of Saint Mark, the writer of the gospel. St Luke is a winged ox or ox, St John is an eagle, St Matthew is an angel or human.
Piazza San Marco is the Square of St Mark's, a famous church in Venice ( Venezia ) built in 828 that has nothing to do with modern shotguns. It is not near Gardone. Great for hand blown glass however.
The fact that it has the stamp of St Mark indicates it was made by Armi San Marco. They became known for their replica pistols.
Pete
