I am betting you Ruger if it is in good condition could go for $250 to $300.
100-200 USD or so
To mark the 50th anniversary of some thing
A Golden Wedding Anniversary is 50 years.
Unknown caliber. Contact Ruger
100-250 USD
$100-$250, depending on condition.
ENGLAND
50-500 usd
50-200 USD
75-170 USD
75-260 or so
$250-$500, depending of condition and which version.