Go to Browning's site, click on Support then date your firearm.
The browning citori serial number that you supplied indicates that your browning citori was made in 1982.
The RP that is found in the middle of your serial number indicates that your browning citori was made by browning in 1978.
1974
With the serial number suffix of S4,this indicates that your Browning Citori Lightning was made in Belgium for Browning in the year 1964.
1987
1999
This is a 12ga made in 1973. It is the first year of production for the Citori Model.
1982
1991
1998
The 2 letters in your serial number(PV) stand for the year 1985.That is the year of production of your Browning shotgun.
i would go to the browning web site.Click on the customer service link and there should be a spot were you can research your browning citori lightning.