Canada 50 cents
USA 25 cents Alaska
Spain 50 céntimos
China - Republic 10 cents
Germany 1 ECU Nicolaus Copernicus
Germany 3 reichsmark 450th Anniversary of the Tübingen University
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 
