Sheets of United States, 2001
| Issuer | Date | Desc | State | ||
| - |  |
United States | 2001 | empty sheet (#2936) | incomplete |
| - |  |
United States | 2001 | empty sheet (#2940) | incomplete |
| - |  |
United States | 2001 | empty sheet (#2941) | incomplete |
| - |  |
United States | 2001 | empty sheet (#2943) | incomplete |
| - |  |
United States | 2/1/2001 | American Illustrators, sheet of 20 types | |
| - |  |
United States | 2/22/2001 | empty sheet (#2937) | incomplete |
| - |  |
United States | 3/6/2001 | empty sheet (#2938) | incomplete |
| X |  |
United States | 4/19/2001 | Great Plains Prairie, sheet of 10 types | |
| - |  |
United States | 10/1/2001 | empty sheet (#2945) | incomplete |
| - |  |
United States | 10/1/2001 | empty sheet (#2946) | incomplete |
| - |  |
United States | 10/1/2001 | empty sheet (#2947) | incomplete |
| - |  |
United States | 10/1/2001 | empty sheet (#2948) | incomplete |
| - |  |
United States | 10/1/2001 | empty sheet (#2949) | incomplete |
| - |  |
United States | 10/10/2001 | empty sheet (#2950) | incomplete |
| - |  |
United States | 10/10/2001 | empty sheet (#2951) | incomplete |
| - |  |
United States | 10/24/2001 | empty sheet (#2952) | incomplete |
| - |  |
United States | 12/17/2001 | empty sheet (#2939) | incomplete |