Share 'How would I verify that Conn F- 60 – 6 string & Conn F-65 - 12 string were made at the Harptone Facility'

Does anyone have knowledge about guitars made at the Harptone Facility in Newark, NJ. I did an Internet search on my Conn F-65 12 string.  I found a website maintained by a Conn guitar enthusiast named Joseph Brock. On Mr. Brock’s website he posted that Conn F- 60 – 6 string & Conn F-65 - 12 string guitars are solid wood guitars & were made at the Harptone Facility as prototypes. All othe…