| Answer | Crossword Clue |
|---|---|
| POSTAGEDUE | Stamp on some mail |
| POSTAGEDUE | Unwanted stamp on mail |
| AEREO | Stamp on mail from Mexico |
| LICKEDZEPPELIN | Dirigible on an old air mail stamp? |
| PPD | Stamp on some pkgs. |
| IRR | Stamp on some sale garments |
| APO | Abbr. on some mail |
| APO | Initials on some mail. |
| RFD | Initials on some mail. |
| FIRSTCLASSSTAMP | Thing on some mail |
| FIRSTCLASSSTAMP | It's stuck on some mail |
| AEREO | Word stamped on some mail from Mexico |
