Impossible to answer without seeing.
Browning has information on their web site.
I have a belgium 12 gauge browning shot gun with the serial #B67119. I am trying to find out what type or size choke it has
It was made in 1938
made in 1965. What is your question?
There is no way to tell from the serial number.
Browning Invector.
You must call Browning for the answer.
A 12 gauge shotgun with changeable choke tubes that fires 3.5" shells.
Browning.com has a sn function under customer service.
Pretty much lowers it by about 30 per cent.
50-500 USD or so
Depending on condition, gauge, barrel length, choke; a few hundred to maybe a thousand