Ralph Hamlin, winner of the 1912 Los Angeles to Phoenix road race, holds the Bullock Trophy. Each year the winner of the current race receives a replica of the cup. The engraving reads: "The Bullock Perpetual Challenge Cup, presented by Bullock to the car with the best time in the annual automobile race Los Angeles to Phoenix". Photo dated: 1912.
Hamlin, Ralph Automobile racing drivers--California--Los Angeles Automobile racing--California--Los Angeles Awards--California--Los Angeles Herald-Examiner Collection photographs
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