Without looking through all 1700 pages of the Blue Book looking for this model number, let's say $100-$150. That's about what almost any utility bolt action 12 gauge will bring.
Try http://www.canadiangunnutz.com/
Model 58 is an automatic not a bolt action
Winchester made a Model 1887 lever-action shotgun from 1887 - 1899. Norinco currently makes a reproduction of the Model 1887.
45$
The Mossberg model 185D bolt action shotgun was made from 1947-1959.
With the serial number that you have provided,your Winchester model 12 pump action shotgun in 20 gauge was made in the year 1930.
Stevens
Mossberg
$1,000,000.00
No browning did not,but winchester made a ranger model pump action shotgun.
Go to Cheaperthandirt.com
Mossberg, it is their M#85 ( I'm assuming that this is a bolt action shotgun).