$800-$1400 depending on the figure in the wood, blueing and pitting from salt damage.
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.
Sometimes by the complete sn, sometimes by the action and features.
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.
Need a detailed description of all markings and type of action.