Sheets of Yemen, 1971
| Issuer | Date | Desc | State | ||
| - |  |
Yemen | 2/15/1971 | empty sheet (#16287) | incomplete |
| - |  |
Yemen | 2/15/1971 | empty sheet (#16290) | incomplete |
| - |  |
Yemen | 2/15/1971 | empty sheet (#16296) | incomplete |
| - |  |
Yemen | 3/15/1971 | empty sheet (#16288) | incomplete |
| - |  |
Yemen | 3/15/1971 | empty sheet (#16291) | incomplete |
| - |  |
Yemen | 3/15/1971 | empty sheet (#16293) | incomplete |
| - |  |
Yemen | 4/16/1971 | empty sheet (#16289) | incomplete |
| - |  |
Yemen | 4/16/1971 | empty sheet (#16292) | incomplete |
| - |  |
Yemen | 4/16/1971 | empty sheet (#16303) | incomplete |
| - |  |
Yemen | 4/16/1971 | empty sheet (#16304) | incomplete |
| - |  |
Yemen | 5/15/1971 | empty sheet (#16298) | incomplete |
| - |  |
Yemen | 9/1/1971 | empty sheet (#16299) | incomplete |
| - |  |
Yemen | 9/1/1971 | empty sheet (#16300) | incomplete |
| - |  |
Yemen | 10/2/1971 | empty sheet (#16297) | incomplete |
| - |  |
Yemen | 10/2/1971 | empty sheet (#16301) | incomplete |
| - |  |
Yemen | 11/4/1971 | empty sheet (#16294) | incomplete |
| - |  |
Yemen | 11/4/1971 | empty sheet (#16302) | incomplete |
| - |  |
Yemen | 11/20/1971 | empty sheet (#16295) | incomplete |