This will require professional appraisal. You could be in the 1000-10000 USD range
value depends on over all condition. made about 1893
made about 1899.....................the value of any firearm depends on condition. i.e. metal finish, grips, bore, etc, etc...............
1871
I assume you colt is a single action revolver ????? if so, made about 1888
Impossilble to answer without the name of the maker and the condition.
about 1898....................
Made 1960-1986. reintroduced by H&R 1871 company in 92-99. Depending on condition, $100-$150.
1000-10000 USD or more. You need a professional appraisal.
probably made about 1882. value depends of overall condition. pictures help.............
see text: Iver Johnson Arms and Cycle works 1871 - 1978
Value of a gun is based on make, model and condition. You gave use year and caliber.
depending on the condition between (10%=$750)-(98%=$10,000)