Browning didnt make a 22 bolt action single shot. They made the T-Bolt and A-Bolt models in .22LR, but both had magazines. None were single shots.
Browning's web site has what you are looking for.
Your Browning safari model bolt action rifle was made by FN of Belguim for Browning in the Year 1963.
Your Browning model safari bolt action rifle was made by FN of belguim for Browning in 1969,with the serial number that you provided.
Your browning safari bolt action rifle was made in 1970.
The prefix of L70 indicates that your Browning safari bolt action rifle was made in the year 1970.
For a specific answer, please provide the model number. Most guns stopped production in Belgium in the 1970.
1965 mauser action safari grade
Without more specific information; 100-1000 USD
It is a bolt action rifle.
The M69 found in your serial number indicates that your Browning safari bolt action rifle was made in the year 1969.
It was likely made sometime in the 1960s.
Special order is possible.