Wildlife Conservation – Stamps of USA 1972.
US Postal Service issued a set of four stamps on Wildlife Conservation on 20 September 1972. The Wildlife featured on these 8c stamps are
Brown Pelican Bighorn Sheep
Northern Fur Seal Northern Cardinal
Birds, Conservation, Environment, Fauna, Nature Reserves/National Parks, Zoos
Wildlife Conservation – Stamps of USA 1972.
Stamp Digest 