S” and “B” designations are believed to be from the Midwest manufacturing facility, using the original molds from the Oakland, CA facility. There are also other designations, such as “GP” from the Midwest facility as that facility subcontracted some of the moldmaking to other companies.


First NameLast NameLast LocationModelSerial NumberVehicle Photonotes
Ron Mayfield California Sterling 746
Gunnar Goebel California Sterling 742
Mac McGraw Arizona Sterling 710
Wayne Fricks Colorado Sterling 707
Mark Barradas California Sterling 706
Brian Smith Michigan Sterling 706 Possible Midwest Serial #
Mike Walz Texas Sterling 701
Anthony Jaworowski California Sterling 685
California Sterling 667
Johannes Horvath Florida Sterling 644
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