This depends whether its an 80's model or 90'-2000 model, if its a 89 model browning than its worth aroung 5-6 thousand dollars australian.
90-550 usd
Anywhere from $350-$1400.
Impossible to value without any more information.
Browning Auto-5 'Light Twenty' made in 1967. Value from $450-$1000.
100-1000 USD or more depending on specifics.
Depends on condition. $400-$1000
Depends on condition and originality. $400-$1500.
1967
The sn you list does not follow normal Browning rules. Go to Browning.com
50-500 usd
You need to include a model number with this question to get the correct fiqures.
Value depends on condition, which you don't address. Range could be a few hundred to a few thousand.