 | American First Day Cover Society Devoted to the advancement of First Day Cover collecting 91st Fund Raising Auction Index | Previous | Next |  523 |
| Lot # | Scott # | Date | Description | Sug. Bid |
| Colorano "Silk" | ||||
| 523 | 1759 | 7/20/1978 | Viking Missions to Mars | $10.00 |
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