Your Pietro Beretta gold lark 12 gauge shotgun is valued between 195-400 dollars based on it having between 60%-98% of its original finish remaining and a good bore.
its a berretta, of course it worth a large amount
500 USD
$500 to $700 depending on shape it's in, hard to sell because of strange trigger.
AFAIK, Beretta has never made a handgun in that caliber.
350-450 depending on condition and whether or not it is magnum or not.
100-1000 or so depending on EXACTLY what you have and its condition, etc..
Italy
You will find more info on the weapon your refering to if you search Beretta TR-1
250-25000 USD
nig it is 3000000000000
500 USD