| Image Thumbs | |
| Cert Num | 1217975 |
| Cert Date | 2010-02-26 |
| Catalog Number | C10 |
| Country | USA |
| Year | 1927 |
| Denom | 10c |
| Color | Dark blue |
| Grade | XF 90 |
| Description | Mint DOG |
| Opinion | it is a genuine unused, right margin Plate No. 18999 block of six, with heavily disturbed o.g. |
| Cert Link | http://psestamp.com/Cert/1217975 |