Books and features
the 'bluebook'
because Colt produced quality firearms from about 1848. With age comes value
According to a contribution on a firearms research forum this company went out of businees during the Depression of the 1930s.
Maybe. In the case of firearms, there are production records for SOME (not all) guns. Certain brands (Winchester, Marlin, Ruger, Browning) have easy to search records. Remington firearms were dated not by serial number, but by a 2 or 3 LETTER code stamped on the barrels. With some makes, there are simply no records.
Any age so long as you have adult supervision who know firearms.
You must be 21 years of age.
The minimum legal age for any type of firearms ownership in Australia is 18.
Depending on where you live, there may be no legal age at all (they are either freely accessible or they are banned completely) or the age may be tied to, even identified as the same for firearms. Additionally, you may need a firearms license to purchase or use one.
Contact the maker, Blue Book for Firearms, Proofhouse.com
Manufactured in 1939.
The current Barrett Firearms does not make a double shotgun. Exactly how is your gun marked?
Age of the gun is important, not the value.