| Answer | Crossword Clue |
|---|---|
| unstamped | Not having a postage stamp affixed |
| perfin | postage stamp having perforated initials punched into the paper: used by businesses to prevent unauthorized use of stamps |
| unfranked | not franked esp of a postage stamp |
| definitive | (of a postage stamp) For general use and typically of standard design, not special or commemorative |
