Stamps of Mali, solar energy design type, missing design, not overprinted
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postage
1980, Mar 10 solar energy unwmk p. 13
| - | 90fr | multi | Photovoltaic Cell Pumping Station | |||
| - | 100fr | multi | — | — | Sun Shields Dire | |
| - | 120fr | multi | Solar Stove Bamako | |||
| - | 130fr | multi | Heliodynamic solar energy generating station Dire |
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