Generally, you can't. If you can identify the model, you can determine the years in which it was manufactured, and sometimes narrow that down by variations in the model's specifications.
I am pretty sure the Wards Westernfield Model 53 was made by Iver Johnson. Externally the Model 53 and Iver Johnson Hercules look identical. I believe the Iver Johnson Hercules was made from 1918 to 1936.
Hercules was made by Iver Johnson from 1918-1943, Hercules name dropped in late 30's!
The Iver Johnson Hercules grade hammerless shotgun in 410 gauge was made from 1924-1935 by Iver Johnson.With the serial number that you possess I would assume that it was made early on during production.
I'm not sure if it's a champion but I do own an Iver Johnson 24 gauge shotgun...single break action...I beleive they were made between 1909 to 1913... my grand father first gun at 14 yrs old...
These were made by Iver Johnson company. Try searching gunpartscorp.com under Iver Johnson,
If you are refering to the Iver Johnson model excel shotgun,which was made from 1910-1935;then these shotguns were chambered in 2 3/4 inch shells.
To determine the year your Iver Johnson 16 gauge shotgun was made, you can look for the serial number, which is usually located on the receiver or barrel. Once you have the serial number, you can consult Iver Johnson's manufacturing records or reference guides that list the production dates corresponding to specific serial number ranges. Additionally, online forums and collector resources may provide insights based on your shotgun's characteristics and features.
The Iver Johnson 12 gauge Champion shotgun with serial number 70369 was likely manufactured around 1922. Iver Johnson's Champion models were produced primarily from the early 1900s until the late 1930s, and specific serial number ranges can help narrow down the production date. For the most accurate dating, consulting a detailed Iver Johnson serial number reference guide would be beneficial.
The Iver Johnson Champion 16 gauge shotgun, specifically the model UCUX, was produced between 1936 and 1946. To determine the exact year it was made, you would need to reference the serial number, as Iver Johnson used specific serial number ranges for different production years. If you have that serial number, you can look it up in a reference guide or database for more precise information.
The Hercules shotgun was made by Iver Johnson (not Stevens, which is a totally different company) from 1918-1943, although the Hercules name was dropped in the late 30's.
If you've ID'd it as an Iver Johnson product, I'd guess it is a Champion model which was made from 1909 to 1956. I think Sears may have dropped the Eastern Arms name sometime earlier than that, probably in the 1930's.
I can say that the Iver johnson target model small frame(,22cal)was made from 1925-1928.The iver johnson target large frame(.22cal)was made from 1921-1941.