Thursday, June 28, 1979 Costa Rica will issue: Stamp "Arenal reservoir" face value 1, Stamp "Transmitter on the Irazú" face value 5,
| Country: | Costa Rica |
|---|---|
| Issue: | 30 years of Costa Rican Institute of electricity |
| Date: | 1979-06-28 |
| Print: | Offset lithography |
| Perforation: | comb 14 |
| Emission: | Air Mail |
| Format: | Stamp |
| Face Value: | 1 Costa Rican colón |
| Country: | Costa Rica |
|---|---|
| Issue: | 30 years of Costa Rican Institute of electricity |
| Date: | 1979-06-28 |
| Print: | Offset lithography |
| Perforation: | comb 14 |
| Emission: | Air Mail |
| Format: | Stamp |
| Face Value: | 5 Costa Rican colón |