| Event | GWB |
|---|---|
| Narrative | Photo of Mount Vernon VA Postmark #1: GW's Bithplace VA — 1981-02-22 Stamp: Uncle Sam, 15 cents (Scott #U581) |
| Cachet Sponsor | GWMSC |
| Design | Pictorial |
| Scott # | U581 |
| Stock # | G-81-002 |
| Postmark Type | Special |
| Location | GW's Bithplace VA |
| Owner | GWMSC |