Impossible to value with just the serial number.
You can't value anything with just a serial number. Who made it? What condition is it in? Is it a hand gun or a long gun?
Impossible to value with only the serial number and no other information.
I cannot asses a value unless You post the handgun model of your browning along with the serial number.
With just the serial number, nothing.
50-200 usd
Not really
50-300 usd
Impossible to value a weapon with only the serial number.
value depends on detailed information, i.e., model, condition, serial number, bore and so-on........................................
Check the auction sites for one in similar condition.
What is the value of a Spencer Gun Company 12 guage choke shot gun serial number A203136?