The Model 16 was not made in 38 Special.
Made by the Performance Center.
Someone over at smith-wessonforum.com will know.
With the serial number that you have supplied,your Smith and Wesson model 10-5 was made in the years 1972-1973.
@1974
Your Smith and Wesson model 36-1 chief,s special was made in the year 1969 with the serial number you have supplied.
With the serial number that you have supplied,your Smith and Wesson model 37 was made in the year 1981.
You have a Chief's Special. Model numbers were not used unitl @ 1957. Value can range from 75-650 USD
1975-76
Made 1951. No model number used until @ 1954
Only made in the USA
Call S&W and they will tell you when it left the factory.
No way to answer without the serial number which is on the butt.