USA 25 cents Michigan State
Hong Kong 10 cents
Taiwan 50 dollars
Japan 1000 yen Fukuoka
Germany - GDR 5 mark 75th Anniversary - Death of Heinrich Hertz
Germany - GDR 20 mark 200th Anniversary - Birth of Carl Friedrich Gauss
Andorra
Australia
Austria
Belgium
Canada
China
Cyprus
Germany
Spain
Estonia
Finland
France
United Kingdom
Greece
Croatia
Ireland
Italy
Japan
Lithuania
Luxembourg
Latvia
Monaco
Malta
Netherlands
Portugal
San Marino
Slovakia
Slovenia
United States
Vatican City
