You will have to call Browning with the serial number.
1971
The prefix of 4T indicates that you have a Browning auto rifle in 22 long rifle that was made in the year 1964.
The prefix of 9T indicates that your have a Browning 22 auto rifle chambered in 22 LR(the letter T)and was probably made in the year 1959.This designation was used by Browning from 1956-1960.
This is a Browning .22 auto rifle made in 1968.
Last year I bought a Browning A-bolt 22 rifle for 300 dollars.It was new in the box.
Browning made .22 rifles AND pistols- you did not tell us what you have. The Browning website, customer service, has historical data for many Browning firearms by serial number. See if your model is listed. If not email Browning.
what is your question?
You will have to call Browning with the serial number.
Impossible to answer without a detailed descriptiion of all markings.
Could your serial number read 8E instead of B?If so your rifle was made in the year 1968.Browning did not use the prefix of the letter B ahead of its serial numbers for any rifles in 22 caliber.
your browning 22 was made in 1963.
It is a Browning .22 semi automatic rifle simply called ".22 semi-auto rifle". Made in 1963. Yours is chambered for .22 long rifle cartridges