| Image Thumbs | |
| Cert Num | 1206855 |
| Cert Date | 2009-08-26 |
| Catalog Number | C15 |
| Country | USA |
| Year | 1930 |
| Denom | $2.60 |
| Color | Blue |
| Grade | Ungraded |
| Description | Used |
| Opinion | it is a genuine usage of a full set of Scott Nos. C13, C14 and C15 on a round trip Graf Zeppelin Europe / Pan - American flight cover, tied by New York Apr 30, 1930 duplex cancels - the cover with all of the appropriate flight cachets and backstamps. |
| Cert Link | http://psestamp.com/Cert/1206855 |