| Event | FDC |
|---|---|
| Narrative | Ben Franklin and Crossed Flags Blue Envelope Postmark #1: Philadelphia, PA — 1983-03-24 Stamp: US - Sweden, 20 cents (Scott #2036) |
| Cachet Sponsor | GWMSC |
| Design | Pictorial |
| Scott # | 2036 |
| Stock # | G-83-001 |
| Postmark Type | FDC |
| Location | Philadelphia, PA |
| Owner | GWMSC |