| Issuer: Korea
Issue: modern educational system 75th Date: 8/3/1960 (1960 sheets) Block 1 (0, 0 x 0) 0, 0: 40h |
External links: Colnect 548766..ol-Korea_South Record of changes |
| Issuer: Korea
Issue: modern educational system 75th Date: 8/3/1960 (1960 sheets) Block 1 (0, 0 x 0) 0, 0: 40h |
External links: Colnect 548766..ol-Korea_South Record of changes |
