This is widely considered the "Bible" for Iver Johnson collectors. Because Iver Johnson changed their naming conventions, frame sizes, and mechanisms frequently (especially between the First, Second, and Third Models), a simple serial number list is often inaccurate without the context of the physical features of the gun.
: Mid-production runs display June 16, '96 and Aug. 25, '96 text.
The absence of an official online database means you must rely on the "best" alternatives to piece together your revolver's story. Here are the most valuable resources. Iver Johnson Revolver Serial Number Database BEST
To get the "best" results from serial number research, you must look beyond the number itself. Here is how the experts use the database to identify a revolver:
(Plain prefix): Usually indicates early Safety Automatic production. This is widely considered the "Bible" for Iver
Never fire modern ammunition out of an early Iver Johnson without confirming its build date.
Dating a vintage revolver is an essential step for historical documentation and safe handling. 25, '96 text
Iver Johnson Arms & Cycle Works, active from the late 19th century through the mid-20th century, produced millions of affordable, reliable revolvers. Because of the sheer volume and lack of centralized documentation during the era, dating these firearms can be difficult.
Depending on the model, the serial number can be found in different locations:
: Small frame, .22 or .32 caliber (Early production) A : Large frame, .38 caliber B : Small frame, .32 caliber C : Large frame, .32 or .38 caliber target models Third Model Smokeless Powder Prefix Codes A : Small frame, .32 caliber, hammer model B : Small frame, .32 caliber, hammerless model C : Large frame, .38 caliber, hammer model D : Large frame, .38 caliber, hammerless model G : Small frame, .22 caliber rimfire