Readily available from Browning.
your browning auto-5 light twelve gauge was made in 1960.
your browning light weight 12ga was produced in 1960.
The value of such light is approximately $10,000
Check the receiver.
what is the question?
The light twelve refers to this shotgun being a light weight model of the Browning auto-5 shotgun.The difference in weight was 10oz.