I did a quick search and it looks like John is now a real estate agent in Palm Springs so you can probably get in touch with him through Windemere.
I also found this old post:
Contemporary Cobra- CCX-3-3643: Blue with White LeMans stripes. NOS 427 Side Oiler, Toploader, 3.54:1 Jag rear, rare Tunnel Wedge intake, 600 miles. Signed by Carroll Shelby. This car was professionally built by John Karelius of Cobra Specialties of California in 1991 as the Contemporary Motor Car display vehicle from 1991-1993. Sold to previous owner in 1993 for $85,000.00. The attention to detail on this car is extraordinary. If you are looking for one of the finest Cobra cars on the market, this is it. $58,000.00. Call for extensive details. 614-847-0900. or e-mail me @
jldunkle@yahoo.com
Hope that helps