| Image Thumbs | |
| Cert Num | 1335063 |
| Cert Date | 2017-09-05 |
| Catalog Number | E23 |
| Country | USA |
| Year | 1971 |
| Denom | 60c |
| Color | Violet blue & carmine |
| Grade | Superb 98 |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, bottom right margin Plate No. 33008 block of four. |
| Cert Link | http://psestamp.com/Cert/1335063 |