You need to seek the help of a good gunsmith
50-125
Your H R model 923 with a prefix of N indicates that it was made in the year 1953.
Depends on condition. $100 to $175.
25-125 USD or so
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.
100 dollars or so.
51 or so
L= 1951
The H&R model 923 was made in 4 different versions.First the model 923 Bantam weight was made from 1953-1961,second the model 923 first model camper was made from 1952-1955,the model 923 second model was made from 1953-1961,and last the model 923 third model was made from 1977-1979.
'S' prefix indicates 1956.
Depending on condition, between $50 and $125.