The gold anniversary is 50 years and 64 was Dodge's Golden Anniversary. There were a lot of gold cars produced in 64. I can't tell if it was a special model but I remember seeing a horn button with Golden Anniversary or the like on it. Hey, look what I found. 1964 DODGE Dart GT 50th Anniversary Edition 273 V8 Auto, Mopar for sale, Muscle Cars, Collector, Antique, and Vintage Cars, Street Rods, Hot Rods, Rat Rods, and Trucks for sale by KC Classic Auto in Heartland, Midwest, Kansas City, Classic and Muscle Car Dealer, Museum and Storage