Used gun values are driven by several factors. Condition, does it come with choke tubes, papers, original box, and point of sale are a few. Go to one of the used gun sites like gunbroker.com and compare.
Basically impossible to value with just the model description.
200-1200 usd
Browning Citori 12 gage over and under & a Browning Goldtrigger Light Twelve: How much are they worth?
100-1000 usd
If you mean Citori, 100-1000 USD
50-1000 usd
50-1000 usd
100-800 usd
1976
No such serial number used in the Citori line.
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.
500 and up depending on specifics