Australia 5 cents
Australia 10 cents
USA 25 cents North Carolina State
Spain 200 pesetas Velázquez and Goya Paintings
Germany 100 euro UNESCO World Heritage - Goslar
Italy 10 euro Cast-iron Architectures
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 
