Browning has sn data on their site under customer service.
If its a 12 ga, then it was made in 1961
Made 1970
No serial number = no way to answer. Call Browning.
Serial numbers allow for dating when produced.
No serial number given.
1987
impossible to answer without a sn.
2011
Yes, Browning has made the Superposed Lightning in Belgium.
No way to answer since the serial number was not provided.
list the serial number and we can help
You will need to call Browning to find out.