US Navy "N" class airship 3,000 ₫ — Vietnam, 1990
US Navy "N" class airship (Vietnam, 1990), face value 3,000 ₫, “International Philatelic Exhibition Helvetia'90 (Zeppelins)” series. Photo, catalogue value…
- Series
- International Philatelic Exhibition Helvetia'90 (Zeppelins)
- Issue date
- 1990
- Face value
- 3,000 ₫
- Colors
- Multicolor