B-12 20 Mongolian möngö — Mongolia, 1987
B-12 (Mongolia, 1987), face value 20 Mongolian möngö, “Helicopters” series. Photo, catalogue value, details and photo identification.
- Series
- Helicopters
- Issue date
- 1987
- Face value
- 20 Mongolian möngö
- Colors
- Multicolor
- Yvert
- MN 1620
- Michel
- MN 1908
- Stanley Gibbons
- MN 1880
- Scott
- MN 1621