Around 1912, give or take a couple. S&W Military & Police, Model of 1905, 3rd Change. sales@countrygunsmith.net
You have a Smith and Wesson model 14 38 special. The 38 refers to the diameter of the barrel. That barrel is 38/100 of an inch in diameter. A 45 automatic has a barrel that is 45/100 of an inch in diameter. A 9mm has a barrel with a 9mm diameter. You can shoot 9mm ammunition from a 38 special. A 22 pistol has a small diameter barrel.
175 or so
The Standard Catalog of Smith and Wesson, 3rd edition, by Supica and Nahas.
400 or so
Age of smith Wesson serial no 5K4166
100-300 USD
The value for a Smith Wesson Springfield Rim-fire 7 Shot 22 cal 3 inch barrel circa 1860 ser 25909 depends on its condition. This gun in excellent condition is valued between 200.00 and 325.00 as of 2014.
50-500 usd
ctg = cartridge
Depends on exact model, barrel, and condition. Around $200,
100-400 or so
50- 450 usd