| Event | FDC/GWB |
|---|---|
| Narrative | Washington State Seal Postmark #1: Olympia, WA — 1989-02-22 Stamp: Washington State 100th Anniversary, 25 cents (Scott #2404) |
| Cachet Sponsor | GWMSC |
| Design | Pictorial |
| Scott # | 2404 |
| Stock # | G-89-002 |
| Postmark Type | FDC |
| Location | Olympia, WA |
| Owner | GWMSC |