| Event | SE |
|---|---|
| Narrative | George Washington Appointed 6-Star General Postmark #1: Washington, DC — 1976-10-12 Stamp: Liberty Tree Boston, 1646, 13 cents (Scott #U576) |
| Cachet Sponsor | GWMSC |
| Design | Pictorial |
| Scott # | U576 |
| Stock # | G-76-006 |
| Postmark Type | Special |
| Location | Washington, DC |
| Owner | GWMSC |