Impossible to answer. No detailed description given or even the serial number.
Your serial number indicates that your Browning 16 gauge shotgun was made in the first year of production,which was 1909.
Need a detailed description of all markings.
Browning offers history letters on their website for a reasonable fee. They will need the serial number.
Impossible to tell from just the serial number.
No way to answer since a serial number was not provided.
Basically impossible to value with just the serial number.
Check the auction sites. To many variables that you don't address, like gauge, overall condition, accessories, box, manual, number of rounds fired, etc..
Any other markings? Is it a bolt action?
You MUST call Browning.