Griffin was a British kit car marque produced initially by Group Design, a fibreglass panel manufacturer based in Poole, Dorset, from 1975. The car was launched under the name G.D.X.M. before being renamed Griffin in 1977. The design, credited to Jim Clark, was notable for its sharp styling and a clever body concept: the estate-type hard-top could be lifted off entirely to allow for open-top motoring in good weather. The…