Related Clues:
- Collectible that displays its original value
- Ink spot
- Pouting person's action
- Notary's item
- Letter attachment
- Feature of a certain album
- Album item
- Piece of postage
- Inverted Jenny is a rare one
- PAID, for one
- Characteristic mark
- It's usually stuck in a corner
- Snail-mail need
- Licked square
- Prepare for delivery