Photos shows that Ronnie wore the racing suit at least two times in 1977: May 8, in conection with the Spanish GP at Jarama and September 11, in conection with the Italian GP at Monza.

Ronnie Peterson was one of Sweden's most prominent and beloved racing drivers of all time. Peterson's passion for motorsport began at a young age, and his talent and speed on the track would soon make him a legendary figure in the world of Formula 1.
Ronnie Peterson made his Formula 1 debut in 1970 and immediately made a big impression. His style and technical prowess made him one of the most respected drivers in the racing world. He drove for several prominent teams, including Lotus, March and Tyrrell, and his performance on the track impressed fans and competitors alike.
Peterson's career reached its peak in the 1970s, when he became one of the main rivals of the legendary Niki Lauda. In 1973, he had an impressive season with a total of seven Grand Prix victories and finished as vice-world champion, just one point behind Lauda. His charismatic personality and characteristic driving style made him very popular with fans around the world.
Unfortunately, Ronnie's life and career came to a tragic end. During the 1978 Italian Grand Prix at the Monza circuit, he suffered a serious crash that resulted in severe injuries. Despite receiving immediate medical attention, he later died in hospital due to his injuries. The racing world mourned the loss of one of its most beloved drivers.