25th Anniv. of Research Institue of Posts and Telecommunicat 3,500 ₫ — Vietnam, 1991
25th Anniv. of Research Institue of Posts and Telecommunicat (Vietnam, 1991), valeur faciale 3,500 ₫, série « Research Institue of Posts and…
- Série
- Research Institue of Posts and Telecommunications
- Date d’émission
- 1991
- Valeur faciale
- 3,500 ₫
- Couleurs
- Polychrome
- Michel
- VN 2382