| Hungary, Serbian Occupation of Baranya |
|
| Hyderabad |
|
| Iceland |
|
| Idaho (ID) |
|
| Idar |
|
| Ifni |
|
| Illinois (IL) |
|
| India |
|
| India- Revenue Stamps |
|
| India, French |
|
| India, Japanese Occupation of Andaman and Nicobar |
|
| India, Nagaland |
|
| India, Portuguese |
|
| India, Princely States |
|
| Indian Ocean Territories |
|
| Indiana (IN) |
|
| Indo-China |
|
| Indonesia |
|
| Indonesia, Java & Madura |
|
| Indonesia, Maluku Selatan |
|