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| Cert Num | 1308698 |
| Cert Date | 2015-11-05 |
| Catalog Number | C92b |
| Country | USA |
| Year | 1978 |
| Denom | 31c |
| Color | Ultramarine & multicolored |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, vertical pair Scott No. C91-C92, ultramarine and black (engr.) omitted. |
| Cert Link | http://psestamp.com/Cert/1308698 |