| Event | FDC |
|---|---|
| Narrative | Lewis and Clark Postmark #1: Astoria, OR — 2004-05-14 Stamp: Lewis and Clark Expodition, 37 cents (3 issues) (Scott #3854-3856) |
| Cachet Sponsor | GWMSC |
| Design | Pictorial |
| Scott # | 3854-3856 |
| Stock # | G-04-002 |
| Postmark Type | FDC |
| Location | Astoria, OR |
| Owner | GWMSC |