| Event | FDC |
|---|---|
| Narrative | John Hancock Postmark #1: Quincy, MA — 1978-05-19 Stamp: John Hancock, US Domestic Rate (10 cents) (Scott #UX74) |
| Cachet Sponsor | GWMSC |
| Design | Pictorial |
| Scott # | UX74 |
| Stock # | G-78-003 |
| Postmark Type | FDC |
| Location | Quincy, MA |
| Owner | GWMSC |