1968

Charlotte

(none given)

black on green

1969

London

(none given)

white on portland blue

1970

Philadelphia

(none given)

light blue on royal blue

1971

San Francisco

(none given)

cane on black

1972

Mediterranean cruise

(none given)

white on terra cotta

1973

Boston

(none given)

terra cotta on white

1974

Chicago

(none given)

white on lilac

1975

Russian cruise

(none given)

black on lilac

1976

Charlotte

(none given)

terra cotta on black

1977

Dearborn

(none given)

light blue on cane

1978

Birmingham

(none given)

cane on light blue

1979

Toronto

(none given)

green on white