1974. Value depends on condition, accessories, etc.. Range 250-500
100-450 or so
100-400 USD
1970
Yes
100-400 USD
Someone at the Dan Wesson Forum might be able to help
50-500 usd
Yes, a model 66 is a K frame revolver.
50-500 USD depending on specifics
1970
No way to value with just the sn and no other details
1995