A Antique, thru 1915 B Vintage, 1916 -1942 C American & European Classic Open D American & European Classic Closed E Pierce-Arrow F Packard G Sedan Based Pickups (El Camino & Ranchero, etc.) H Rolls-Royce & Bentley I Vintage Race Cars I1 Race Cars Pre 1920 J Early Rambler to 1960, and Rambler Americans K Unrestored, pre WWII L Unrestored, post WWII M Mini & Micro Cars N American, 1946-1954 O American, 1955-1961 O1 Chevrolet, 1955-1957 P American, 1962-1973 Q American Muscle Cars, thru 1973 Q1 Chevrolet Corvette, thru 1973 R European & British Sports Cars, thru 1973 R1 Mercedes-Benz, thru 1973 S Ford Model A T Ford Thunderbird U Vintage Commercial V Vintage Motorcycles W Vintage Trailers X DeTomaso Y Amphicar Z Engines & Farm Equipment Display