Plymouth Belvedere Car Line - R = Belvedere Series - H = Signet/Satellite/Sport Fury Body Style - 23 = 2 Door Hardtop Coupe Engine - F = 318 V8 Model Year - 8 = 1968 Assembly Plant - G = St. Louis, MO. Production # for factory - 228020

Do you have a picture? Not really sure what you mean by your question. Are you wondering who made it or ???