A303 value is in the eye of the beholder. Gr8 semi. I competed in sporting clays with A303 and consistantly shot better than friends with K80's & Perrazzis costing 10 times as much
At most about $35.00 if it is in good condition
No way to answer without knowing who made it, all features and condition.
It all depends on condition. $150-300
You will have to call Beretta
300
I recently called the Winchester historian and he said they were the same gun also a model 1200 barrel will fit.
Turn of the century
1900
Anywhere from $200 - $300 depending on condition. This would be the original Model 20 with tip up barrel.
3 dollars very expensive
It all depends on the person that wants to buy it, the model (there are over half a dozen Beretta Stampede models), the the condition of the barrel and the weapon parts, the accessories that have been added to it and need of funds by the person selling it.
pistola IVER