That depends on the condition of the gun. You could let a licensed gunsmith or firearms dealer look at it and they could tell you.
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Double barreled shotguns are manufactured in several countries.
50-100 USD
Double-barreled cannon was created in 1862.
No. What would the company that produced the finest American double barrel shotgun want with a utilitarian import?
Utility grade, functional, not much value.
No.
A Double-Barreled Suicide - 1907 was released on: USA: 10 August 1907
A Double-barreled Courtship - 1916 was released on: USA: 21 April 1916
The cast of Double-Barreled Justice - 1925 includes: Franklyn Farnum
Somewhere between $50 and $5,000. The value of any firearm depends on the exact make, model, and condition. You will need a hands on assessment. Typically damascus barreled guns have very low values, and typically should not be fired with modern ammo.
The Re-Inventors - 2007 Double-Barreled Cannon was released on: USA: October 2010