Canada 5 cents
USA ½ dollar 100th Anniversary-State of lowa
Spain 200 pesetas
China - Republic 10 cash
Japan 1000 yen Hokkaido
Germany - GDR 5 mark 75th Anniversary - Death of Heinrich Hertz
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 
