| Added by |
 Bart Perdieus
|
| Face value | 50 Centimos |
| Catalog code (Michel) | ES 1872 |
| Catalog code (Scott) | ES 1616 |
| Catalog code | Yvert et Tellier ES 1637 Stanley Gibbons ES 2040 AFA number ES 1980 Edifil ES 1982 |
| Stamp colour | dark blue / violet |
| Stamp use | Commemorative stamp |
| Print run | 10.000.000 |
| Issue date | 23/07/1970 |
| Print technique | recess |
| Printed by | Fábrica Nacional de Moneda y Timbre-Real Casa de la Moneda (RCM-FNMT) |
| Perforation | comb 13¼ |
| Height | 29.00 mm |
| Width | 34.00 mm |
| Catalog prices | No catalog prices set yet |
