| Event | IDC |
|---|---|
| Narrative | Inauguration VP Walter Mondale Postmark #1: Washington, DC — 1977-01-20 Stamp: South Dakota (Scott #1672) |
| Cachet Sponsor | GWMSC |
| Design | Pictorial |
| Scott # | 1672 |
| Stock # | G-77-004 SD |
| Postmark Type | IDC |
| Location | Washington, DC |
| Owner | GWMSC |