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| Event | FDC |
|---|---|
| Narrative | GWMSC First Day Cover: Bicentennial of the U.S. Constitutional Convention and its president George Washington, Philadelphia, PA, May 25 1987, sponsored by the George Washington Masonic Stamp Club |
| Cachet Sponsor | GWMSC |
| Design | Pictorial |
| Postmark Type | FDC |
| Location | Philadelphia, PA |
| Owner | GWMSC |