Sheets of Barbuda, 1991
| Issuer | Date | Desc | State | ||
| - |  |
Barbuda | 2/4/1991 | empty sheet (#42746) | incomplete |
| - |  |
Barbuda | 2/4/1991 | empty sheet (#42747) | incomplete |
| - |  |
Barbuda | 4/23/1991 | empty sheet (#42748) | incomplete |
| - |  |
Barbuda | 4/23/1991 | empty sheet (#42749) | incomplete |
| - |  |
Barbuda | 4/23/1991 | empty sheet (#42750) | incomplete |
| - |  |
Barbuda | 6/21/1991 | empty sheet (#42751) | incomplete |
| - |  |
Barbuda | 6/21/1991 | empty sheet (#42752) | incomplete |
| - |  |
Barbuda | 7/25/1991 | empty sheet (#42753) | incomplete |
| - |  |
Barbuda | 7/25/1991 | empty sheet (#42754) | incomplete |
| - |  |
Barbuda | 8/26/1991 | empty sheet (#42755) | incomplete |
| - |  |
Barbuda | 8/26/1991 | empty sheet (#42756) | incomplete |
| - |  |
Barbuda | 10/18/1991 | empty sheet (#42757) | incomplete |
| - |  |
Barbuda | 10/18/1991 | empty sheet (#42758) | incomplete |
| - |  |
Barbuda | 11/18/1991 | empty sheet (#42759) | incomplete |
| - |  |
Barbuda | 11/18/1991 | empty sheet (#42760) | incomplete |