| 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 |

Check the "fine print" on the top of the barrel. The will give you a "no earlier than" manufacture date .

Features a double-post latch and a safety lever on the trigger face.

The most common Iver Johnson revolvers are the series (1894–1941). Identifying the "Model" is often easier than finding an exact year. Question: Iver Johnson 32 cal top break - SASS Forum

It does not cover post-1941 models (like the Trailsman 66 or Supershot Sealed Eight). For those, you need specialized forums.