20th Anniversary UNESCO 40 ₭ — Laos, 1966
20th Anniversary UNESCO (Laos, 1966), face value 40 ₭, “20th Anniversary of UNESCO” series. Photo, catalogue value, details and photo identification.
- Series
- 20th Anniversary of UNESCO
- Issue date
- 1966
- Face value
- 40 ₭
- Colors
- Green | Light grey
- Yvert
- LA 140
- Michel
- LA 191
- Stanley Gibbons
- LA 192
- Scott
- LA 135