USA 1 dollar Ralph Baer the Father of Video Games
USA 1 dollar Franklin Pierce
USA 25 cents Weir Farm National Historic Site Connecticut
Germany - GDR 1 pfennig
Spain 50 pesetas
Japan 500 yen Iwate
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 
