Pietro Beretta Cardone VT CAL 18 value to sell

Pietro Beretta Cardone VT
serial #22625
CAL 18
double barell

HEre are all the #s that appear on this rifle/Shotgun

Beretta ARMI Brescia (bottom of gun, lots of little cracks wood/rubber?)

P. Beretta Garcione V.T. engravings around where the trigger is (nicklel/silver??) flying goose, marsh grasses and other engravings)

wood is scratched and gouged out at one point.

was in my dad's attic. I know he used it for deer hunting.

Estimates of value and where to sell would be appreciated.