No way to answer without the sn and a detailed description.
Date my Browning ser number 4t99577 O
04911py153
You will have to call Browning to find out.
what is the year made and value of ser. #'s 7g 10367 &236272 Belgium browning
Call Browning with the sn and they can tell you.
A fine rifle
You must call Browning with the serial number.
Browning never made a model 306
50-500 usd
It is possible.
1972
SN doesn't follow Browning's convention. Call Browning to find out.