| Event | GWB |
|---|---|
| Narrative | Washington Crossing Historic Park Postmark #1: Mount Vernon, VA — 1993-02-22 Stamp: Star, 29 cents (Scott #U623) |
| Cachet Sponsor | GWMSC |
| Design | Pictorial |
| Scott # | U623 |
| Stock # | G-93-002 |
| Postmark Type | Special |
| Location | Mount Vernon, VA |
| Owner | GWMSC |