These are known as basecoat colours which require applying over primer and need clearcoating.
Team Gunston was a name used by Rhodesian racing driver John Love to enter his own cars in Formula One and sports car racing between 1962 and 1975. He also entered cars under his own name, i.e. John Love. Commonly the vehicles were entered for Love himself, but he also provided cars for a number of other drivers during the period.