Extremely rare Porsche 911 Carrera RSR 3.8 up for grabs

An incredibly rare, practically new 1993 Porsche 911 Carrera RSR 3.8 is set to go under the hammer.

The high-performance sports car has just 10 kilometres (six miles) on the clock, and has been kept in a private collection for the best part of 25 years.

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