Proton 15 C$ — Nicaragua, 1987
Proton (Nicaragua, 1987), face value 15 C$, “Astronomy” series. Photo, catalogue value, details and photo identification.
- Series
- Astronomy
- Issue date
- 1987
- Face value
- 15 C$
- Colors
- Multicolor
- Yvert
- NI PA1180
- Michel
- NI 2818
- Stanley Gibbons
- NI 2906
- Scott
- NI 1656