| Image Thumbs | |
| Cert Num | 1377134 |
| Cert Date | 2020-09-21 |
| Catalog Number | K3 |
| Country | USA |
| Year | 1919 |
| Denom | 6c on 3c |
| Color | Violet |
| Grade | Ungraded |
| Description | Used |
| Opinion | it is a genuine usage tied on cover Scott No. K1 by a U.S. Postal Agency, Shanghai, China duplex cancel dated Dec 29, 1922. |
| Cert Link | http://psestamp.com/Cert/1377134 |