Canada 5 cents
Italy 20 euro cent
Spain 100 pesetas National Library
China - Republic 2 jiao
China - Republic 50 cash
Germany - GDR 20 mark 250th Anniversary - Death of Gottfried Wilhelm Leibniz
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 
