These were made by the Iver Johnson Company from 1910-1935. Your revolver is from around 1930.
1910
1871
2006
Early 1930s
No published sn data.
No published sn data. @ turn of the century
No sn data available
No published sn data
No sn data in the public domain.
No sn data in the public domain.
No published sn data that I am aware of
No published sn data. Turn of the century or so