China Stamps - 1994-15 , Scott 2528 + US stamps - Cranes- Beijing + Washing, DC post marks - First Day Cover - (9252J)

China Stamps - 1994-15 , Scott 2528 + US stamps - Cranes- Beijing + Washing, DC post marks - First Day Cover : Whooping crane is a rare speciality of the North America under the protection of the US law, while black-necked crane is a rare bird found only in China and the first grade wild animal under the special protection of the state. Both species are the first grade animals under the protection of the CITES.