| Viking Missions to Mars Stamp First Day Issue with SW Cachet, C-3PO & R2-D2 | |
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| Description by: | Duncan Jenkins |
| Photo: | Duncan Jenkins |
| From the collection of: | Duncan Jenkins |
| Country: | United States |
| Film: | A New Hope |
| Licensee: | US Post Office |
| Year: | 1978 |
| Category: | Stickers / Miscellaneous |