Australia 1 cent
USA 1 dollar Annie Jump Cannon
USA 1 dime Barber Dime
USA 25 cents Homestead
Italy 100 lire
Germany - GDR 5 mark 75th Anniversary - Death of Heinrich Hertz
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 
