WWF
ARMENIA 1996 WWF WILD ANIMALSUS $ 1.00
KYRGYZSTAN 1994 WWF PanthersUS $ 1.00
LATVIA 1994 WWF MouseUS $ 1.00
ESTONIA 1994 WWF SquirrelsUS $ 1.00
CYPRUS 2003 WWF Bats SPECIMEN OVERPRINTEDUS $ 5.00
LIBERIA 2020 WWF AnimalsUS $ 6.00
RUSSIA 1993 WWF PanthersUS $ 1.00
RUSSIA 1993 WWF PanthersUS $ 1.00
YUGOSLAVIA 2000 WWF Birds SHEETUS $ 12.00US $ 5.00
