| Event | SE |
|---|---|
| Narrative | George Washington Laying the Cornerstone of the US Capitol Postmark #1: Washington, DC — 1959-07-04 Stamp: Flag “Old Glory” (48 Stars), 4 cents (Scott #1097) |
| Cachet Sponsor | "Masonic Stamp Club" |
| Design | Pictorial |
| Scott # | 1097 |
| Stock # | G-59-001 |
| Postmark Type | Std |
| Location | Washington, DC |
| Owner | GWMSC |