Tuesday, May 1, 2018 United States of America will issue: Stamp "Centenary of the First US Airmail Stamp" face value FOREVER, Mini Sheet "Centenary of the First US Airmail Stamp" face value 20*FOREVER,
| Country: | United States of America |
|---|---|
| Issue: | Centenary of the First US Airmail Stamp |
| Date: | 2018-05-01 |
| Print: | Recess |
| Perforation: | Die Cut 10¾ |
| Emission: | Commemorative |
| Format: | Stamp |
| Face Value: | FOREVER No Face Value |
| Country: | United States of America |
|---|---|
| Issue: | Centenary of the First US Airmail Stamp |
| Date: | 2018-05-01 |
| Print: | Recess |
| Perforation: | Die Cut 10¾ |
| Emission: | Commemorative |
| Format: | Mini Sheet |
| Face Value: | 20*FOREVER No Face Value |