| Event | FDC |
|---|---|
| Narrative | Brown Text Postmark #1: Philadelphia, PA — 1987-05-17 Stamp: Convening of the Constitutional Convention, 1787, 14 cents (Scott #UX116) |
| Cachet Sponsor | GWMSC |
| Design | Text |
| Scott # | UX116 |
| Stock # | G-87-005 |
| Postmark Type | FDC |
| Location | Philadelphia, PA |
| Owner | GWMSC |