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Your choice : Stamps by type -> Cover issued by WWF -> From 1972 till 1975
| Country |
Year |
Description |
Animal |
Scott |
Groth |
Price in $US |
. |
. |
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| SWITZERLAND - Cover issued by WWF |
1972 |
WWF COVER - Cover ´Free -balloon voyage over Alps 1912 - Daily Mirror´ with WWF logo (old), with explanatory inside |
Free Balloon voyage |
. |
U1972 |
33,2 |
 |
 |
| NETHERLANDS - Cover issued by WWF |
1975 |
WWF COVER - empty cover |
. |
. |
U1975 |
2,9 |
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