75th Anniversary of UPU 4 fr — Belgium, 1949
75th Anniversary of UPU (Belgium, 1949), face value 4 fr. Photo, catalogue value, details and photo identification.
- Issue date
- 1949
- Face value
- 4 fr
- Colors
- Blue
- Print run
- 769,611
- Yvert
- BE 812
- Michel
- BE 852
- Stanley Gibbons
- BE 1296
- Scott
- BE 400