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What do you want to know?
Go to Browning's site, click on Support then date your firearm.
You must call Browning to find out.
The lightening model is essentially the same as the regular superposed, with several weight saving modifications. These include slimmer forearm, lighter barrels, and small internal changes to the receiver. All in all, the weight savings are about a 1/2 pound. -jimmy
Check the auction sites. Based on description 100-500
Impossible to answer since you don't provide the type of action (OU, SxS, Pump, Semi-Auto)
Made in 1996. You will have to call Browning to find out what model.
You will have to call Browning
Browning Superposed Shotgun is what you have Superposed shotguns are very collectable when in top condition. Values have a wide range due to so many variations and grades of the Superposed and other Browning Over/Unders. Value is too difficult to be accurate without seeing the gun. Condition which includes the amount of original finish and original configuration will determine value. Recommend taking it to a gun shop for appraisal.
OU shotgun.
No serial number given.