Students, textbook, flags
10 North Korean chon 1977
Северная Корея
| Страна: | Северная Корея |
| Тип: | Почтовые марки |
| Серия: | Publication of the Theses on socialist education |
| Номинал: | 10 North Korean chon |
| Год: | 1977 |
| Перфорация: | comb 12 |
Publication of the Theses on socialist education
 Students, textbook, flags |  Students, workers of various professions |