1970
100-450 or so
100-400 USD
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
You need to provide the number from the butt of the revolver. That is the sn.