Year

• 1983 (1) 

  1974 (1) 1981 (1) 1988 (1) 1989 (1) 1990 (1)

Themes

•  Architecture (2)
•  Communications (4)
•  History (1)
•  Industry (2)
•  Marine life (1)
•  People (3)
•  Post (1)
•  Science (3)
•  Transport (1)