@350 USD
300-400 USD
A Smith and Wesson model 66 stainless steel 4" barrell with no dash after the serial number is one of the earliest year guns. It should have all stainless metal with stainless sights front and rear. Black sights or orange inleted front sight is newer model. A no dash with orginal stocks in very good condition can go between 450 to 850 dollars depending on condition of workings and finish. Stock condition has little effect on value.
50-500 usd
300
Value will depend on EXACT model, condition, finish, barrel, etc. Value may range anywhere from $50 for a poor specimen to several hundred for an excellent example.
About $250 to 300.
Depending on condition, somewhere between $300-$450.
The finish. Most people prefer stainless with a high shine (polished) finish. Satin has a dull finish to it (unpolished)
@ 33 yrs old. 50-400 USD
Impossible to answer without a detailed description of all features, condition, finish, box, papers, accessories, etc..
Smith and Wesson made the 686-3 in 1989. It weighs 42 ounces, has a midnight black over stainless steel finish, and is available with a 4-inch or 6-inch barrel. The production run was 5,000 units.
stainless