How old is Iver Johnson tp22 serial number AE47342?

To determine the age of an Iver Johnson TP22 with the serial number AE47342, you would typically need to reference Iver Johnson's production records or a specific serial number guide. Generally, Iver Johnson Firearms were produced from the early 20th century until around the late 1990s. If you can find the specific year associated with the serial number range, that would give you the age of the firearm. Additionally, consulting with a firearm expert or a collector's guide could provide more precise information.