Stamps of United States, 6 May 1970
1 to 4 of 4
postage
1970, May 6 natural history issue unwmk p. 11
| X | 6c | multi | American bald eagle | |||
| X | 6c | multi | African elephants | |||
| X | 6c | multi | chief in canoe | |||
| X | 6c | multi | The Age of Reptiles |
1 to 4 of 4
| X | 6c | multi | American bald eagle | |||
| X | 6c | multi | African elephants | |||
| X | 6c | multi | chief in canoe | |||
| X | 6c | multi | The Age of Reptiles |