The value of a IV FR Johnsons arms 32 caliber Fitchburg mass revolver is actually dependent upon a number of factors. Most important of these factors would be the condition of the revolver.
the serial number is under the grips
There is not enough information here to provide an answer.
All of them have a sn.
what model, caliber. ????????
2006
1871
1912
1910
1911
Caliber should be on the barrel. SN's were not required until 1968
What model .38?
Have to know who made it to answer the question.