Interesting. I found this description on the following website
http://www.berettaweb.com/S04/SO2.htm "Mod. S 0 2 « Super Caccia » over and under preferred for hard field use. Action made from nickel chrome alloy steel, handsomely hand engraved, casehardened, with beautiful white super finish. Barrels made from « Boehler Antinit Steel » with ventilated rib, chambered for all 2 314" shells. Automatic ejectors, concealed extension held down by sliding bolt. Free safety on the strap. Silver pigeon inlaid into the top lever. Ali interior parts chrome plated for frictionless action and durability. Selected walnut stock and forearm custom finished with hand checkering. Equipped with swivels and plastic butt plate. Straight or pistol grip. 12 gauge only."
