| Image Thumbs | |
| Cert Num | 1355068 |
| Cert Date | 2019-01-11 |
| Catalog Number | 498b |
| Country | USA |
| Year | 1917 |
| Denom | 1c |
| Color | Green |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, right margin block of eighteen (6x3) Scott No. 498 with Plate No. 10656, the third and fourth stamps of each row Scott No. 498b imperf between. |
| Cert Link | http://psestamp.com/Cert/1355068 |