| Event | FDC |
|---|---|
| Narrative | George Washington Portrait Postmark #1: Mount Vernon, VA — 1989-04-04 Stamp: Executive Branch, 25 cents (Scott #2414) |
| Cachet Sponsor | GWMSC |
| Design | Pictorial |
| Scott # | 2414 |
| Stock # | G-89-007 |
| Postmark Type | FDC |
| Location | Mount Vernon, VA |
| Owner | GWMSC |