Your choice : Stamps by type -> Cover issued by WWF -> From 1980 till 1983

Country	Year	Description	Animal	Scott	Groth	Price in $US	.	.	.
FRANCE - Cover issued by WWF	1981	WWF COVER - 6 WWF follower stamps on 1 FDC - Green panda on cover - Protection de la Nature	Souvenir philatelique	.	U1981R	16,7