​Vehicle Classes, 2018 Ironstone Concours d’Elegance

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A  Antique, thru 1915
B  Vintage, 1916 -1942
C  American & European Classic Open
D  American & European Classic Closed
E  Pierce-Arrow
F  Packard
G  Kaiser, Frazer, Willys Automobiles
G1 Jeep & Willys Commercial, thru 1973
H  Rolls-Royce & Bentley
I  Vintage Race Cars
I1 Race Cars Pre 1920
J Edsel
J1 Nash Healey & AMC Marlin 
K  Unrestored, pre WWII
L  Unrestored, post WWII
M  Mini & Micro Cars
M1 British Mini, thru 1973 
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  Vintage Tractors, Engines & Farm Equipment Display