Less than $100.
Serial no. C8172
Try googling it. I believe you will be surprised.
I'll take it for free :)
the cannon breach is where the artillery shell is inserted for firing...................
breech
From the breech.
From the breech
Where the shell is loaded.
In front of the butt stock .
Near the breech.
The value of a 12 Gauge Cannon Breech can vary significantly based on factors such as its age, condition, manufacturer, and historical significance. Generally, prices can range from a few hundred to several thousand dollars. For a precise appraisal, it would be beneficial to consult with a firearms expert or appraiser who specializes in antique or collectible weaponry.
That is the rear end of the barrel where the shell is inserted.