Magnum
The 5V prefix to a browning serial number indicates that your firearm is a Browning auto-5 Magnum shotgun that was made in the year 1965.
You will have to call Browning to find out.The serial number prefix of 6V indicates that you have a Browning auto-5 shotgun that was made in 1966,and the letter V indicates that you have a Magnum model auto-5 shotgun.
The prefix of zero V(0V) indicates that you have a Browning magnum auto-5 shotgun that was made in the year 1960.
Nothing
1973. Are you sure it is a "v" behind i73? According to the Browning site it should be either a "g" to denote lightweight or "m" to denote standard weight.
0-500 uSD
Browning.com has sn data under customer service.
Your Browning model citori B525 over under shotgun was made in 2 models,the sporting and the golden clays.Both were made in 5 grades,from Grade 1 to grade 5 with ascending levels of embellishment.The golden clays has a oiled finished grade V stock with solid pad and schnabel forearm.engraving pattern that depicts the transition of a game bird to a clay bird in 24K gold.This model includes 5 midas grade Invector choke tubes.the sporting grade.
V=5
5
5-10 thousand USD or so