USA American Liberty
USA 5 cents Bicentenary of Lewis and Clark Expedition-Bison
France 50 centimes
Spain 25 pesetas Basque Country
Germany - GDR 10 mark 175th Anniversary - Humboldt University of Berlin
USA 25 cents Dr. Mary Edwards Walker
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 
