History of steel making 1.75 Nu — Bhutan, 1969
History of steel making (Bhutan, 1969), face value 1.75 Nu, “History of Steel Making” series. Photo, catalogue value, details and photo identification.
- Series
- History of Steel Making
- Issue date
- 1969
- Face value
- 1.75 Nu
- Colors
- Multicolor
- Yvert
- BT 233
- Michel
- BT 291
- Scott
- BT 103F