Canada 1 cent
USA 1 dollar Gerber Variable Scale
USA 3 cents Three cent Silver Star
USA 25 cents Bombay Hook
China - Republic 20 cents
Germany - GDR 5 mark 200th Anniversary - Birth of Friedrich Wilhelm August Fröbel
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
