| Event | FDC |
|---|---|
| Narrative | Square and Compass / Text Postmark #1: Washington, DC — 1985-11-06 Stamp: George Washington, Washington Monument, 18 cents (Coil pair) (Scott #2149) |
| Cachet Sponsor | GWMSC |
| Design | Text |
| Scott # | 2149 |
| Stock # | G-85-009 |
| Postmark Type | FDC |
| Location | Washington, DC |
| Owner | GWMSC |