I

Ice Caps (see Global Warming - Preservation of Ice Caps.)

Icons

- Angel and Three Wise Men

- Rivne

- Slovak Folk Icons Issue

- - Miroľa [Mirola]

- - Nyžná Jalova [Nyzna Jalova]

- - Venecia-Lukiv

- St. Michael the Archangel

Iditarod

- Masek, Jan

Ilija

- Church of St. Egidius

Ilkovič, Dionýz. 1907-1980 [Ilkovic, Dionyz] (see Scientists - Ilkovič, Dionýz. 1907-1980.)

Illustrators (see Biennial of Children's Book Illustration Issues.)

- Paleček, Josef [Palecek, Josef]

- Pilař, Radek. 1931-1993 [Pilar, Radek]

Imaginary States

- Wallachian Kingdom

IMF (see International Monetary Fund.)

Immigrants

Imperforates

India

- 1989. Nehru, Jawahrlal. 1889-1964. Prime Minister of India. 100th Birth Anniversary

Indian Cress

Indians of North America (see Native Americans.)

Indices (see also Czechoslovak Specialist - Indices.)

- Catalog Numbers

- Commemorative Cancels

- Famous People on Stamps

Indra, Victor

Industry

- 1952. 5th Anniversary New Government

- 1953

Infant of Prague

- Art of Prague

Insects (see also Beetle Issues; Butterflies; Fauna.)

- Butterflies

- - 2002

- - - Czech

- - - Slovak

- European Conservation Year

Intercosmos Issue

International Astronautical Congress

- 2010. Postal Card

International Brigade in Spain

- 1966. 30th Anniversary

- 1986. 50th Anniversary

International Childrens Day

International Children's Day Issues [Czech]

- 1995

- 1996

- 2000

- 2001

- 2002

- - Insufficent Number Produced for Collectors

International Children's Day Issues [Slovak]

- 2003

International Fire Brigades Competitions (see Firemen - International Fire Brigades Competitions.)

International Folk Song and Dance Festival

- 1976. 30th Anniversary

International Geophysical Year

- 1957-1958

International Human Rights Year

- 1968

International Labor Organization

- 1969. 50th Anniversary

International League of PTT Employees

- 1950. 1st Anniversary Issue

International Monetary Fund

- 2000. Prague Meeting

International Music Council (see Music - UNESCO International Music Council.)

International Music Festival, Prague

- 1952

- 1953

- 1956

International Music Festival

- 1951

- 1952

- 1953

- 1955

- 1956

- 1957

- 1986

International Olympic Committee (see Olympic Committee.)

International Peace Year

- 1986

International Philatelic Federation (see FIP.)

International Senior Citizens Year

- 1999

International Short Film Festival. Brno

- 2004. 45th Annual. Postal Card

International Telecommunications Union

- 1965. 100th Anniversary

International Tourist Year

- 1967

- Jíhlava [Jihlava]

- Postal Cards

International Trade Fair Issues

- 1959

- 1961

- 1963

International Women's Day Issues (see Women - International Women's Day Issues.)

International Women's Federation

- 1965. 20th Anniversary Issue

International Year of Astronomy

International Year of Mathematics, 2000

International Year of Physics Issue

- Czech

- Slovak

International Year of Planet Earth

International Year of the Child

- 1979

International Year of the Family

- 1994

Internet (see also Collectors and Collecting - Internet; Society for Czechoslovak Philately - Website; Websites.)

- As a Source of POFIS Numbers

Inventions

- Helicopters

- Lightning Rod

- Lithography

- Parachute

- Radio and Telegraphy

- Water-Pillar Machine

Inventors

- Murgaš, Jozef. 1864-1929 [Murgas, Jozef]

- - 1939

- Bahýl, Jan [Bahyl, Jan]

- - 1995

- Banič, Štefan. 1870-1941 [Banic, Stefan]

- - 1994

- - Aviation Parachute

- Diviš, Prokop. 1698-1765 [Divis, Prokop]

- - 1954. 200th Anniversary Invention of Lightning Conductor

- Hell, Josef Karel. 1713-1789

- - Technical Monuments Issue

- - - Tajchy

- - Water-Pillar Machine

- Jedlík, Štefan Anián. 1800-1895 [Jedlik, Stefan Anian]

- Kempelen, Wolfgang. 1834-1904

- - 1994

- Klíč, Karel. 1841-1926 [Klic, Karel]

- - 1954

- Křižík, František. 1847-1941 [Krizik, Frantisek]

- Kvasz, Andrej. 1882-1974

- - 1996

- Murgaš, Jozef. 1864-1929 [Murgas, Jozef]

- Ressel, Josef. 1793-1857

- - 1954

- Senefelder, Alois. 1771-1834

Invitation of the Postal Museum (see Pozvánka Poštovního Musea.)

Iron Founders

- 1963. 30th International Congress

Israel

Exhibitions (see Exhibitions. Israel.)

Israel Philatelist [Journal]

Issue Plans

- Czech Republic

- Slovakia

Issue Plans [Czech Republic]

Italy

- Padova