100-1000 USD depending on EXACTLY what you have, condition, box, papers, accessories, history
$600 USD
100-1000 USD and up depending on specifics
450 is a normal price in good shape
Ruger's web site has sn data.
100-500 or so
About $400
1970
No such Ruger exists. What you might have is a Ruger Super BlackHawk. 100-1000 USD or so depending on EXACT confgurationa, age, condidtion.
1975
50-400 USD or so
100-500 or so
Ruger's web site has extensive sn data.