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.
On top-break models, open the action and look at the underside of the top strap above the cylinder. The Three Generations of Safety Automatic Revolvers Iver Johnson 38 S&W Model 2 safety automatic age? Iver Johnson Revolver Serial Number Database BEST
| Resource | Type | Strength | |----------|------|-----------| | Goforth’s book / serial charts | Printed/PDF | Most complete known data | | Iver Johnson Forum (Firearms Forum) | Online discussion | Real owner data points | | Gun Values Board (Iver Johnson section) | Online | Active collectors | | YouTube (dating guides) | Video | Visual identification help | | Auction archives (Rock Island, Gunbroker) | Database | Compare serials of sold guns | Iver Johnson Arms & Cycle Works, active from
This system is a rare exception and is incredibly useful for quickly dating these models with high confidence. The Three Generations of Safety Automatic Revolvers Iver
Because Iver Johnson repeated serial number sequences (often resetting at 99,999), the letter prefix determines the frame type and caliber. Second Model Black Powder Prefix Codes
where you can simply type a serial number and instantly get the full history of an Iver Johnson revolver. Most of the company’s original production records were lost, destroyed, or never systematically digitized.