One of two 550 Spyders ordered for the Swiss racing team, 550-0028 featured a distinctive red body with white fender darts and hood, completed 28 February 1955 with engine #P90012.

Initially used for driver training under team owner Hans Stanek, it debuted competitively at the 1955 Hockenheim Rhein Cup before finishing 5th at the Eifel Race at the Nürburgring. After numerous races across Switzerland and Germany through 1956, it was acquired by Hansueli Eugster, who campaigned it in Swiss hill climbs until 1960.

Chassis #550-0028 has a documented race and ownership history that has been researched and verified through primary sources. Accurate provenance information for this car is available upon enquiry through the contact page.