It was made in 1953. You can verify that by clicking on the following link to brownings webpage http://www.browning.com/services/dategun/detail.asp?id=13
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.
browning sweet sixteen serial number 5s43804 what year was it manufactured
1976
2000
1965
1987
1968
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1991
The Browning BT-99 with the serial number 37D17547 was manufactured in 1977. Browning typically uses a code in the serial number to indicate the year of production, where the "37" represents the year.
YEAR 1973
The Browning 12 gauge shotgun with serial number 55852-75G was manufactured in 1975. Browning shotguns typically use a serial number system that helps identify the production year, and the "75" in the serial number indicates the year of manufacture.