It depends on what model it is and the condition that it is in.
I repeat, what is the model. send a picture and I might be able to give an estimated value.
50- 500 usd
10-400 usd
100-1000 usd
Value depends on model, grade and condition. Use the link below to find you gun in the Blue book. It should be under Browning .22 automatic rifle
You will have to call Browning
the 22 long rifle holds 11 cartridges
10
Get the serial number off it and go to Browning's website.
1971
Best thing for you to do is find a gunsmith.
Need a detailed description
The prefix of 4T indicates that you have a Browning auto rifle in 22 long rifle that was made in the year 1964.