Go to gunbroker.com and look under Ruger.. It will give you a ball park...
10-1000 USD depending on specifics. You will have to call Ruger for the ship date
No published sn data
20-150 USD or so
Double Action pistols may not HAVE a manual safety. Like a double action revolver, the trigger must move through a long and deliberate arc for the gun to fire. Not all guns have had a safety.
25-250 USD or more depending on specifics
Often with a semiautomatic pistol, once a loaded magazine is inserted and the slide racked, you now have a pistol that is ready to fire: there is a fresh round in the chamber, the hammer (or striker) is cocked. This CAN be a dangerous situation, if the shooter isn't going to fire the weapon immediately. In the past, a person would have to CAREFULLY lower the hammer while pointing the pistol in a safe direction. If they slipped, they would fire a bullet accidentally AND their thumb would get hurt--mashed by the recoiling slide & hammer. A decocking lever prevents such accidents by LOWERING the cocked hammer to a safe position. Once utilized, if the shooter wanted to prepare the pistol for firing, they would have to: Manually recock the hammer, if the pistol were a single action only type, or, manually recock, or utilize the pistol's long Double Action trigger, if the pistol was a Double Action/Single Action type.
11.2 inches in 9x19 parabellum
You probably have a Mk. I pistol, manufactured circa 1958. If this is the case, it would be a semi-auto pistol, chambered in .22 Long Rifle.
Value of ANY gun is based on make, model, and condition. You gave us ONE of the three. Ruger has made several different pistols in .22 LR over the past 50 years. Get us some information, we will try to get you an answer. Start with model, describe type of metal, barrel, sights, condition.
11.2 inches in 9x19 parabellum
18 years