| Image Thumbs | |
| Cert Num | 1284897 |
| Cert Date | 2014-06-18 |
| Catalog Number | 642 |
| Country | USA |
| Year | 1927 |
| Denom | 10c |
| Color | Orange |
| Grade | Ungraded |
| Description | Used |
| Opinion | it is a genuine flown Graf Zeppelin cover from Miami to Chicago franked with Scott No. 642 (X2), 641 (strip of three) 728 and 729. |
| Cert Link | http://psestamp.com/Cert/1284897 |