50th Anniversary of the Delft hydrological Laboratory 45 c — Netherlands, 1977
50th Anniversary of the Delft hydrological Laboratory (Netherlands, 1977), face value 45 c, “Commemorative Series - 1977” series. Photo, catalogue value…
- Series
- Commemorative Series - 1977
- Issue date
- 1977
- Face value
- 45 c
- Colors
- Multicolor
- Print run
- 7,127,000
- Yvert
- NL 1078
- Michel
- NL 1107
- Stanley Gibbons
- NL 1280
- Scott
- NL 572