Australia 2 cents
Canada 2 dollars
USA 1 dollar Delaware Treaty of 1778
Germany - GDR 1 pfennig
China - Empire 20 cents
Germany 5 mark 200th Anniversary - Birth of Carl Friedrich Gauss
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 
