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.
nothing nickel
NP=Nickel-Plate
about 1926.................
about 1947
Around 1925 about 1925
Did the germans nickel or chrome plate luger models?
Typically made of lead, they may have a jaclet made f copper/ nickel alloy.
Without more of a description; 10-150 USD
not military produced lugers. however, some people elected to nickel plate their luger causing the value to go down as much as 30%............
1.5 million dollars
You will need to contact Colt. Prices change often.
25-65 USD