Al Unser, Winner of the 1971 Indianapolis 500

Front:
irestone ******* IGNING Sansonite Yoli FORD Castrol Al Unser

Back:
D 17381 503-PUBLISHED BY THE INDIANAPOLIS MOTOR SPEEDWAY CORPORATION CURTEICHCOLOR® 3-D NATURAL COLOR REPRODUCTION (REG. U. S. A. PAT. OFF.) 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. .10