| Event | SE |
|---|---|
| Narrative | Text, Washtington's Inauguration Anniversary Postmark #1: York, PA — 1988-04-30 Stamp: George Washington, Washington Monument, 18 cents (Scott #2149) |
| Cachet Sponsor | GWMSC |
| Design | Pictorial |
| Scott # | 2149 |
| Stock # | G-88-005 |
| Postmark Type | Special |
| Location | York, PA |
| Owner | GWMSC |