Ask a gunsmith for help and S&W for an owner's manual if you don't have one.
if this is there 455 cal gun its about $200 if clean
What model?
Your smith and Wesson model 64-3 was made from 1977-1987.
2006
Does not exist.
Ask a gunsmith for assistancee.
1948
You will have to cal S&W
50-500 usd
50- 575 usd
The Model 29 is a 44 Magnum.
No such model made by S&W