International Stamp Fair ESSEN '78 20 UM — Mauritania, 1978
International Stamp Fair ESSEN '78 (Mauritania, 1978), face value 20 UM. Photo, catalogue value, details and photo identification.
- Series
- International Stamp Fair ESSEN '78
- Issue date
- 1978
- Face value
- 20 UM
- Colors
- Multicolor