Sheets of United States, 2004
| Issuer | Date | Desc | State | ||
| - |  |
United States | 1/2/2004 | empty sheet (#2982) | incomplete |
| - |  |
United States | 1/14/2004 | Love 2004, sheet of 1 type | all added |
| - |  |
United States | 3/4/2004 | empty sheet (#2984) | incomplete |
| - | no image | United States | 5/4/2004 | empty sheet (#45203) | incomplete |
| - |  |
United States | 5/14/2004 | empty sheet (#2985) | incomplete |
| - |  |
United States | 7/1/2004 | empty sheet (#2981) | incomplete |
| - |  |
United States | 8/12/2004 | empty sheet (#2986) | incomplete |
| - |  |
United States | 8/21/2004 | Art of the American Indian, sheet of 10 types | |
| - |  |
United States | 10/4/2004 | Cloudscapes, sheet of 15 types | |
| - |  |
United States | 11/16/2004 | Christmas 2004 ornaments, sheet of 4 types | incomplete |