About $75, depending on condition. Yours is the 2nd Model, finish is nickel plate, not chrome.
50-125
Depends on condition. $100 to $175.
25-125 USD or so
Depending on condition, between $50 and $125.
Your H R model 923 with a prefix of N indicates that it was made in the year 1953.
You need to seek the help of a good gunsmith
25-125
The H&R Model 923, manufactured in Worcester, Massachusetts, was produced during the 1970s. Specifically, the serial number L15176 indicates that this particular model was likely made around 1976. H&R firearms are known for their reliability and simplicity, with the Model 923 being a popular choice among revolver enthusiasts.
Factory finish is nickel plating, not chrome. Value will depend on condition, and may be $40-$150 ( for a specimen in very good condition)
100 dollars or so.
51 or so
L= 1951