20th Anniversary of the World Health Organization 50 st — Thaïland, 1968
20th Anniversary of the World Health Organization (Thaïland, 1968), face value 50 st. Photo, catalogue value, details and photo identification.
- Issue date
- 1968
- Face value
- 50 st
- Colors
- Multicolor
- Print run
- 5,000,000
- Yvert
- TH 506
- Michel
- TH 533
- Stanley Gibbons
- TH 610
- Scott
- TH 517