50-500 USD or so
5-500 usd
Impossible to answer without a detailed description of all features and action type.
50-125 USD
It is a model 520 Stevens but built under the browning pat..... These were sold at Montgomery ward, sears and more...... The gun had a Browning pat as it was p'td by J Browning..... <><><> Depending on condition, value may be $100-$250. Some govt marked military versions can be higher, but those are scarce.
You have a Winchester Model 1885 that was manufactured circa 1892.
== Believe you have a Browning Superposed O/U. Turn the action lever to the side as to break open, and look at the serial number underneath. Return to this question and answer with the serial number. We will then be able to tell you more about what you have.
I cannot answer your question but if you will navigate to Antiques firearms.com you can receive an answer I'm sure.
100-1000 USD or so
You have a model 520. In excellent condition, it is worth less than $200.
50-275 USD
Impossible to date from patent number.