| Answer | Crossword Clue |
|---|---|
| RCD | Mail-rm. stamp |
| POSTAGEDUE | Stamp on some mail |
| POSTAGEDUE | Unwanted stamp on mail |
| AEREO | Spanish air-mail stamp |
| AEREO | Correo ... (foreign mail stamp) |
| POSTAGEE | Stamp applied by mail handlers |
| AEREO | Stamp on mail from Mexico |
| RUSH | Rubber stamp for top-priority mail. |
| LICKEDZEPPELIN | Dirigible on an old air mail stamp? |
| ARMOR | Mail that bears the stamp of the past |
