| Image Thumbs | |
| Cert Num | 1240482 |
| Cert Date | 2011-09-09 |
| Catalog Number | 529 |
| Country | USA |
| Year | 1918 |
| Denom | 3c |
| Color | Violet |
| Grade | Ungraded |
| Description | Used |
| Opinion | it is genuinely used on 1918 cover, tied by IOWA CITY, IOWA machine flag cancel, stamp with toned perfs and discolored. |
| Cert Link | http://psestamp.com/Cert/1240482 |