Go to http://www.browning.com/customerservice/dategun/index.asp
Look and see
It was made in 1987
Yes, by the serial number. Try the link below
The 72S suffix to your serial number indicates that your Browning superposed shotgun was manufactured in the year 1972,by FN of Belguim for Browning.
Call Browning
By the serial number, then try: http://www.browning.com/customerservice/dategun/index.asp
Belgian proofmarks, year of manufacture, barrel inscription. == ==
browning sweet sixteen serial number 5s43804 what year was it manufactured
The Browning website has fairly good year of manufacture data. Look under customer service.
1976
2000
You must call Browning to find out.
YEAR 1973