| Event | FDC/FDC |
|---|---|
| Narrative | George Washington / Benjamin Franklin Postmark #1: San Francisco, CA — 1997-04-29 Stamp: Benjamin Franklin, 50 cents (Scott #3139) Postmark #2: San Francisco, CA — 1997-04-30 Stamp: George Washington, 60 cents (Scott #3140) Stamp: Centennary International Philatelic Exhibition Souvenir Sheet (1947) (Scott #948) |
| Cachet Sponsor | GWMSC |
| Design | Pictorial |
| Scott # | 3139 |
| Stock # | G-97-006 |
| Postmark Type | Std |
| Location | San Francisco, CA |
| Owner | GWMSC |