Mfg 1964, standard weight 12ga Auto-5. Value will run from $350-$800.
60-600 usd
Not a valid Browning serial number.
No way to value with just the gauge and serial number. Could be 100-100000 USD
Impossible to value with only the serial number and no other information.
50-500 uSD
If that is the complete serial number, it was made in 1935. Value is $350-$650.
50-350 usd
Impossible to answer without a detalied description of all features
50- 500 uSD or so
I believe you may have too many 3's in there. Yes, it was made in Belgium and value can get over $1000.
100-10000 USD or more depending on specifics
100-1000 usd