With the V8 suffix to your serial number.Your Browning B25 shotgun was made in the Year 1968.
1984
Superposed
You must contact Browning to find out.
You will have to call Browning
If you go to the browning web site there is a help section under the customer service site that will age your browning B-25.
It was made in 1997
Browning.com has a sn function under customer service.
The suffix of S7 to your serial number indicates that your Browning B-25 shotgun was made in the year 1967.
Mid 80s or so.
The mv letters in the serial number that you provided indicates that your browning c2g model B25 was made in 2005.
Browning contracts out engraving to many engravers.