No way to tell. The sn you list does not follow the standard Browning system listed here http://www.browning.com/customerservice/dategun/detail.asp?id=13
Browning offers history letters.
That is not the complete serial number. Value is going to depend on condition, and without further information is impossible to guess.
Your browning 16ga was produced by browning in belguim in 1949.
Exactly how is the pistol marked? 9mm browning serial number 72C44338
If it is marked Light 12, that is an incomplete serial number.
Your browning auto-5 standard 16gauge shotgun was made by FN of belguim for browning in 1953.
This is a Belgian made A5 which is a Standard weight 16 gauge made in 1956.
Could it be that your browning hi-power is marked 70C19171? If it is then it was made in 1970.
Where will be marked on the barrel/receiver.
The caliber will be marked on the Barrel, the year made is 1983
The caliber should be marked on the slide.
It should be marked as to where it was made.