| Issuer: North Korea
Date: 6/10/1977 (1977 sheets) Block 1 (4, 2 x 2) 1, 1: 10ch 1, 2: 15ch 2, 1: 20ch 2, 2: 40ch d=Airmail |
External links: Colnect 513909..es-Korea_North |
| Issuer: North Korea
Date: 6/10/1977 (1977 sheets) Block 1 (4, 2 x 2) 1, 1: 10ch 1, 2: 15ch 2, 1: 20ch 2, 2: 40ch d=Airmail |
External links: Colnect 513909..es-Korea_North |
