It is one of the higher grades of wood in the stock and forearm.
Your Browning lightning superposed shotgun was made in the year 1968 with the serial number that you have provided.
Around $5000.
Browning can tell you how it left the factory, and the gun can be dated by serial number.
100-10000 usd
Depending on condition, a few hundred to a few thousand USD.
A lot!. Starting with the least expensive, Grade 1, Pigeon, Diana and Midas. After WWII, Grade 1 Grade II, Grade III, Grade IV, Grade V, Grade VI. In 1960 they started back with Gr 1, Then Pigeon, Pointer, Diana and Midas. Presentation grades were 1,2,3&4. Waterfowl limited edtions were Mallard, Pintail, Black Duck and Bicentennial.
100-1000 USD or so depending on specifics
100-1000 USD or more depending on specifics
The value of a 12 gauge Browning Citori Pigeon Grade is actually dependent upon a number of factors. Some of these factors would be the age and condition.
Only Browning knows. Information not in the public domain.
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.
Impossible to tell without pictures.