| Event | SE |
|---|---|
| Narrative | Square and Compass / Masonic Presidents Postmark #1: Baltimore, MD — 1984-03-24 Stamp: George Washington , 20 cents (Scott #1952) |
| Cachet Sponsor | GWMSC |
| Design | Pictorial |
| Scott # | 1952 |
| Stock # | G-84-001 |
| Postmark Type | Std |
| Location | Baltimore, MD |
| Owner | GWMSC |