Canada 25 cents
Germany - GDR 1 pfennig
Spain 50 pesetas Expo '92 /Seville/
Taiwan 1 dollar
Germany 10 euro 400th Anniversary of Kepler's Laws
Germany - GDR 10 mark 175th Anniversary - Birth of Justus von Liebig
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 
