| Image Thumbs | |
| Cert Num | 1223143 |
| Cert Date | 2010-06-04 |
| Catalog Number | 374 |
| Country | USA |
| Year | 1910 |
| Denom | 1c |
| Color | Green |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, top margin block of 20 (4x) with Plate No. A5679 and imprints the left and right stamps with green printers waste marking lines and small faults to positions 1, 14, 15 and 16. |
| Cert Link | http://psestamp.com/Cert/1223143 |