$100-$300, depending on condition
100-300 USD or so
50-1500 USD depending on specifics.
50-350 usd
100-400
ABOUT $200-$300, depending on condition, and WHICH version of the Blackhawk.
Ruger's website has extensive sn data you can access.
Ruger's web site has a sn date function
100-400 USD or so
100-400 or so
100-1000 USD
400
75-1000 USD depending on EXACTLY what you have.