Front:
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Samsonite
Castrol
7GHTNING
Al Unser
Tirestone
****** *
IGHTNING
Yel's
Parnell, but
99
Back:
503-PUBLISHED BY THE INDIANAPOLIS MOTOR SPEEDWAY CORPORATION
By winning the 1971 Indianapolis 500-mile Race at an
average speed of 157.735 miles an hour, a new record,
Al Unser became the fourth driver to score two consecutive
victories at the famous two-and-a-half-mile track. The
others were Wilbur Shaw, Mauri Rose and Bill Vukovich.
Unser had won the 1970 event at a speed of 155.749.
CURTEICHCOLORR 3-D NATURAL COLOR REPRODUCTION (REG. U. S. A. PAT. OFF.)
D17381
.10
