Impossible to answer without a DETAILED description of ALL markings, type of action, barrel length, etc..
1971
1971
It was made in 1971
The 71V prefix to the serial number indicates that you have a browning auto-5 magnum shotgun that was made by FN in belguim for browning in 1971.
12 gauge BSS were first made in 1971 and 20 gauge in 1972.
100-400 USD
1971
To determine the year of manufacture for a Belgium Browning 12 gauge shotgun with the serial number 8M 28193, you can refer to Browning's serialization records. Generally, the letter "M" indicates that the shotgun was produced in the 1970s, specifically around 1971. For the most accurate information, it's best to consult Browning's official resources or a knowledgeable firearms expert.
The value of a 1971 Browning 12 gauge Diana Grade Superposed Lightning shotgun with a two-barrel set in a case can vary significantly based on its condition, documentation, and market demand. Typically, such a shotgun can range from $3,000 to $7,000 or more. Factors like original finish, the presence of accessories, and provenance can further influence its worth. It's advisable to consult a firearms appraiser or a trusted auction house for a more accurate valuation.
10-1000 USD depending on specifics
Your serial number indicates that your Browning light weight auto-5 shotgun was made in the year 1971.
A browning auto-5 shotgun made in belguim in 1971 should bring between 350-550 dollars depending on condition for a standard,or magnum version shotgun.If you have a sweet-sixteen model these can bring between 575-1,100 dollars or more depending on type of barrel with the shotgun and overall condition.