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| Cert Num | 1324107 |
| Cert Date | 2016-10-28 |
| Catalog Number | 1470 |
| Country | USA |
| Year | 1972 |
| Denom | 8c |
| Color | black, red, yellow, tan, blue & rose red |
| Grade | Ungraded |
| Description | Mint OGnh |
| Opinion | it is a genuine unused, o.g., never hinged, top margin block of 20 with Plate No. 33828 black and red engr. very slightly shifted (0.1 mm) and pos. 13 with a light natural gum wrinkle. |
| Cert Link | http://psestamp.com/Cert/1324107 |