USA 25 cents Frank Church-River of No Return Wilderness
Japan 500 yen Aichi
Germany 5 euro Wonderful World of Insects - Great Green Bush-cricket
Germany - GDR 5 mark 125th Anniversary - Birth of Otto Lilienthal
Germany 5 reichsmark Flight of the Graf Zeppelin
2½ Dollars - C. Bechtler
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
