| Image Thumbs | |
| Cert Num | 1269419 |
| Cert Date | 2013-08-16 |
| Catalog Number | 637 |
| Country | USA |
| Year | 1927 |
| Denom | 5c |
| Color | Dark blue |
| Grade | F 70 |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, block of four. |
| Cert Link | http://psestamp.com/Cert/1269419 |