| Answer | Crossword Clue |
|---|---|
| unfranked | not franked esp of a postage stamp |
| imperforate | (of a postage stamp or a block or sheet of stamps) Lacking perforations, esp. as an error |
| canceler | A manual, mechanical, or electronic device used to cancel something, esp. one that makes a cancellation on a postage stamp |
| definitive | (of a postage stamp) For general use and typically of standard design, not special or commemorative |
| unstamped | Not having a postage stamp affixed |
