No such Ruger ever made
$100-$225, depending on condition.
1965
50-200
100-650 usd
50-175 USD
Which one?...The Mark 1's and Mark 2's are pretty valuable...
Ruger will tell you if you phone customer service.
$350-$500, depending on the exact version, and the condition. The rifle is a Number 1, not Mark 1. Only Ruger pistols are Marks.
50-175 USD based on lack of description.
50-175 or so
Ruger's website has extensive sn data. 75-175 or so