No way to answer without detailed information on all markings and features.
nothing nickel
ABOUT $350-450, depending on condition.
NP=Nickel-Plate
An unusual barrel length. You need to verify with S&W that it is factory. If so, value could be in the 1000 USD range.
Did the germans nickel or chrome plate luger models?
A blue plate service is the same thing as a blue plate special. This special is a meal that is sold by restaurants. A blue plate special is a plate of food that is sold at a very cheap price.
The D prefix began in 1967 with D1 and after 1981 the LOGO was moved to the right side of the frame from the left side plate. Values range from poor at 100.00 to new in the box at 350.00. Any markings on the backstrap or in nickel finish may ad a premium. Terry
Due to the close tolerances of the working parts, its best to purchase a handgun that is already nickel plated. This would be guaranteed by the manufacturer to work properly. If one was determined to nickel-plate a pistol that wasn't made that way, submitting the gun to a person who specializes in nickel-plating firearms.
Blue Plate Special was created on 1996-08-28.
4mm chequered plate unit weight
This weight plate tree has a maximum weight capacity of 300 pounds.
3x1250x5000