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Browning contracts out engraving to many engravers.
The 70S prefix dates your browning sweet sixteen to the year 1970.
No list of all the engravers has been published.
You will have to get a letter from Browning to find out. Cost is @ 38 USD
Late 60s to early 70s
Society of Engravers was created in 1802.
Your Browning auto-5 shotgun with the prefix of 70s to the serial number identifies that your shotgun was made in Belgium for Browning in the year 1970.
You will have to get it lettered by Browning.
1976 I believe?
100-500 USD
Yes.The 5S prefix to your browning sweet sixteen indicates that it was produced by browning in 1965.
Thiry on the game scenes and scrollwork by S. Deveux are very very good. There are many engravers still with the company, but Master such as Vranken and Funken are still favorites