1984
100-1000 USD or so depending on EXACTLY what you have and its condition.
A answer cannot be given unless you provide more information,such as the serial number,condition of the rifle,and if the .22 cal rifle is a lever action,semi-auto etc.
Your browning safari bolt action rifle was made by FN for browning in 1963.
The L70 suffix to the serial number identify,s the year of production of your Browning safari bolt action rifle as 1970.
It is a bolt action rifle.
5-1500 usd
Browning Lever Rifle
Your Browning BLR model rifle was made in the year 1969.
Last year I bought a Browning A-bolt 22 rifle for 300 dollars.It was new in the box.
Browning never made a pump action rifle.Please check the manufacturing name on your rifle again.
Prior to 1973.
You need a gunsmith.