Very nice. Great eye. Unfortunately, that sponsorship deal apparently fell through or the ad type was set without proofing for actual race names. Schaefer sponsored the 300 miler at Trenton in 1970 - but didn't return in '71. Instead, Trenton's reverted to its prior name of the Northern 300.
Also, Schaefer bought the naming rights for the inaugural Schaefer 500 Indy race at Pocono and stayed with Doc and Rose Mattioli's track for the next 7 years.
As a reminder, who won the one and only Schaefer 300 at Trenton in 1970? Dat's right - The King.
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Schaefer: It's not just for racing anymore.