25 m for most folks.
Standard catalog of Smith and Wesson by supica and nahas
By the features.
The Sn you list does not fall in the range of the Model 27
The Smith and Wesson 357 model 686-4 is valued somewhere between $450.00 to $625.00, depending on the condition.
357 Magnum
Depends on condition. Range from 100-400 USD
Your smith and Wesson model 19-3 will range in price from 195-400 dollars,depending on the amount of original finish remaining,and a good bore.
model 15 is not made in 357 it could be a19-3
the 357 smith & Wesson 28-3 was introduced in 1982 Made from 1982-1986
50-550 usd
About $450.
No