| - |
|
United States block of 4 types |
United States, 1964, Christmas 1964 |
| - |
no image |
United States block of 4 types |
United States, 1969, Beautification of America |
| - |
no image |
United States block of 4 types |
United States, 1969, 11th International Botanical Congress |
| - |
no image |
United States block of 4 types |
United States, 1970, natural history |
| - |
no image |
United States block of 4 types |
United States, 1970, anti-pollution |
| - |
|
United States empty block (#65805) |
United States, 1971 |
| - |
|
United States empty block (#65806) |
United States, 1971 |
| - |
|
United States empty block (#65807) |
1971 |
| - |
|
United States empty block (#65808) |
1971 |
| - |
|
United States block of 4 types |
United States, 1971, wildlife conservation 1971 |
| - |
|
United States pair, 2 types |
United States, 1971, space achievements |
| - |
|
United States block of 4 types |
United States, 1971, historic preservation |
| - |
|
United States block of 4 types |
United States, 1972, national parks 100th |
| - |
|
United States block of 4 types |
United States, 1972 |
| - |
|
United States block of 4 types |
United States, 1972 |
| - |
|
United States empty block (#65815) |
United States, 1973 |
| - |
|
United States block of 4 types |
United States, 1973 |
| - |
no image |
United States empty block (#65817) |
1973 |
| - |
|
United States empty block (#65818) |
United States, 1974 |
| - |
|
United States empty block (#65819) |
United States, 1974 |
| - |
|
United States block of 4 types |
United States, 1974, America 200th Congress |
| - |
|
United States block of 4 types |
United States, 1975 |
| - |
|
United States vert. pair, 2 types |
United States, 1975, Apollo-Soyuz |
| - |
|
United States block of 4 types |
United States, 1975, postal service 200th |
| - |
|
United States pair, 2 types |
United States, 1975, banking |
| - |
no image |
United States empty block (#65825) |
1975 |
| - |
no image |
United States empty block (#65826) |
1975 |
| - |
no image |
United States block of 4 types |
United States, 1978 |
| - |
no image |
United States empty block (#65827) |
United States |
| - |
no image |
United States empty block (#65828) |
United States |
| - |
no image |
United States empty block (#65829) |
United States |
| - |
no image |
United States empty block (#65830) |
United States |
| - |
no image |
United States empty block (#65831) |
United States |
| - |
no image |
United States empty block (#65832) |
United States |
| - |
no image |
United States empty block (#65833) |
United States |
| - |
no image |
United States empty block (#65834) |
United States |
| - |
no image |
United States empty block (#65835) |
United States |
| - |
no image |
United States empty block (#65836) |
United States |
| - |
no image |
United States empty block (#65837) |
United States |
| - |
no image |
United States empty block (#65838) |
United States |
| - |
no image |
United States empty block (#65839) |
United States |
| - |
no image |
United States empty block (#65840) |
United States |
| - |
no image |
United States empty block (#65841) |
United States |
| - |
no image |
United States empty block (#65842) |
United States |
| - |
no image |
United States empty block (#65843) |
United States |
| - |
no image |
United States empty block (#65844) |
United States |
| - |
no image |
United States empty block (#65845) |
United States |
| - |
no image |
United States empty block (#65846) |
United States |
| - |
no image |
United States block of 4 types |
United States, 1984 |
| - |
no image |
United States block of 4 types |
United States, 1985 |
