| Event | SE |
|---|---|
| Narrative | GWMSC 25th Anniversary Postmark #1: Washington, DC — 1981-10-24 Stamp: Stars, 6 cents (Scott #1892) |
| Cachet Sponsor | GWMSC |
| Design | Pictorial |
| Scott # | 1892 |
| Stock # | G-81-007 |
| Postmark Type | Std |
| Location | Washington, DC |
| Owner | GWMSC |
Photo Gallery / Museum