Navigation help 10 $ — Portugal, 1974
Navigation help (Portugal, 1974), face value 10 $, “Centenary of the Birth of Marconi” series. Photo, catalogue value, details and photo identification.
- Series
- Centenary of the Birth of Marconi
- Issue date
- 1974
- Face value
- 10 $
- Colors
- Multicolor
- Print run
- 1,000,000
- Yvert
- PT 1219
- Michel
- PT 1239
- Stanley Gibbons
- PT 1535
- Scott
- PT 1206