Single Shot, $25 - $75 or Double Barrel, $150 - $250, depending on condition and the buyer's mood. Less if broken or rusted, a little more if like new.
Try e-gunparts.com
Assuming it is fully functional but not like-new, about $150-$200.
To determine the age of a Central Arms model 6012 with a specific serial number, you'll need to consult the manufacturer or reference materials that detail the production dates linked to serial numbers. Central Arms may have records or a historical reference guide that can provide this information. Alternatively, firearms forums and collectors may also have insights based on similar models and serial numbers.
yes they did
next to the barrel
@ 100 USD
1837
150 USD
50-100
Depending on the condition. On average, about 100.00.
150.00 in excellent condition
50-100