Before WW2.
50-100 or so
No published sn data.
No serial number provided.
age Iver Johnson shotgun serial # 33743
How old US a Stevens savage model 530a 16 gauge
No serial number provided.
If your shotgun is chambered in 12 gauge,then your shotgun was made in the year 1913.If your shotgun is a 16 gauge model,then it was made in the year 1926.
Standard 16 gauge shotgun shells.
about 1942
sometime between 1900 and 1945
About 20 years old
Depends on age and condition.