USA 1 dollar Ralph Baer the Father of Video Games
USA 1 dollar Incandescent Light Bulb
USA 50 dollars Panama-Pacific Exposition
USA Ida McKinley First Spouse Gold Coin
China - Republic ½ yuan
Germany 5 reichsmark Flight of the Graf Zeppelin
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
