| Image Thumbs | |
| Cert Num | 1288846 |
| Cert Date | 2014-09-11 |
| Catalog Number | 1173 |
| Country | USA |
| Year | 1960 |
| Denom | 4c |
| Color | Deep violet |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, pane of 50, of which the Plate No. block is shown below, pos, 6 with a gum stain. |
| Cert Link | http://psestamp.com/Cert/1288846 |