Ruger has sn data on their web site.
Depending on condition, $250-$550. These were made 1953-1973. The early revolver with a FLAT loading gate is worth considerably more. The Ruger website, under customer service, lists date of manufacyure.
Made in 1972. Depending on condition, about $275. Add $200 if you have BOTH the 22LR and 22 Magnum cylinders.
22LR ammunition made to match specifications.
No such Ruger ever made
Yes, Ruger made them
Ruger has extensive sn data on their website.
Unless I have missed something, All Ruger firearms are made in the USA. Other makers brand forign made guns. But none of Ruger firearms are forign made.
What??
Ruger has never been made outside of the USA.
You will have to contact Ruger
You will have to call Ruger to find out.
A call to Ruger will get you the date it was made