It's worth about $3500.
No winchester makes a model 1300 shotgun.
150-250
Between 110-160 dollars for a model 1300 walnut field grade shotgun.
your Winchester model 1300 in unfired condition would be worth between 300-350 dollars.
The first Winchester model 1300 shotgun(model 1300 featherweight) was made in the year 1978.
$200 in very good condition
100-300
between 200-270 dollars.
I can say that Winchester made the model 1300 shotgun from 1978-1993.They also made the model 1300 Walnut field model from 1994-2006.You will have to contact Winchester directly to get the exact year of production for your shotgun,as these records are not available in the public domain.
your winchester model 1300 shotgun was made by winchester between the years 1995-2006.
This model if new in the box(unfired) will bring 465.00 dollars.