By the serial number. Go to Browning.com "date your gun, or re-ask the question here and include the number.
YOu must provide the serial number.
It shouldn't say light twelve on the barrel, but on the receiver. Light twelve means that the gun is a light weight version of the standard Auto5 shotgun.
50-550 uSD
0-300 USD
50 350 USD
50-550 usd
@ 400 USD
according to Browning you have a Light A-5 12 ga. made in 1960. Hope this helps
1000.00 dollars
Go to Browning.com and you can download a manual
Browning.com has a sn search function you can use.
By this serial number for an Auto5, the gun should be a Light Twelve 12 guage model made in 1956. It is not a Sweet 16.