Possible Questions:
- Sticker
- Mark
- Impression
- Kind of pad
- Character
- Brand
- Passport endorsement
- Official seal
- Seal
- Sign of approval
- Imprint
- Impress
- Cachet
- Philatelist's purchase
- Philatelist's find
- Characterize
- Post-office purchase
- Post Office purchase
- Express displeasure
- It makes an impression
- It's stuck in the corner
- Electioneer
- ___ of approval
- Snail mail attachment
- Prepare to mail
- Postage
- Piece of postage
- Philatelist's item
- Forever ___
- Album item
- Album entry, perhaps
- Tramp ___
- Symbol of approval
- Philatelist's love
- Penny Black was the first one
- Notary's need
- Notary need
- It's stuck in a corner
- It's often stuck in the corner
- It may get a licking
- Ink spot
- If it's canceled, it's accepted
- If it's canceled, it has been accepted
- Envelope sticker
- Envelope item
- Collectible that displays its original value
- Bit of philately
- Album feature
- Act of 1765
- ___ Act
- Word with food or rubber
- Visa feature
- Snail mail need
- Slam one's foot down
- Show petulance
- Show impatience, in a way
- Rubber-___
- Postal purchase
- Postage purchase
- Postage item
- Passport feature
- Notary's item
- Notary public's need
- Mailer's need
- It's usually stuck in a corner
- It's canceled when it's accepted
- It can be used in dating
- Corner piece?
- Characteristic mark
- Approval sign
- Act that made history
- Word after "rubber" or "time"
- Visa marking
- Use a die
- USDA, e.g.
- Trading or airmail
- The 1840 penny black, e.g.
- Subject of Colonial American ire
- Some vegans won't lick it
- Snail-mail need
- Snail-mail attachment
- Sender's need
- Semipostal, for one
- Rubber or postage
- Re-inkable item
- Purchase that's canceled
- Pre-Revolution act
- Pouting person's action
- Postmarked thing
- Postal necessity
- Postage or trading
- Postage buy
- Post-office item
- Philatelist's acquisition
- Philatelic prize
- Philatelic item
- Perforation site
- Penny black, for one
- Part of a sheet
- PAID, for one
- P.O. sales item
- Official imprint
- Notary public's device
- Non-requirement for e-mail
- Make impressions
- Mailing need
- Licked square
- Letter's must-have
- Letter attachment
- Lasting imprint
- Item in a certain album
- It might say PAID
- It may travel first-class
- It may make an impression
- It may be licked
- It goes in a corner
- Inverted Jenny is a rare one
- Forever __
- Follower of rubber or date
- Feature of a certain album
- Envelope stick-on
- Envelope attachment
- Emboss
- Email doesn't require one
- E-mail's lack
- Distinct mark, or mark distinctly
- Die mark
- ATM purchase, nowadays
- Appropriate star of "The Collector"
- An e-mail doesn't need one
- Actor Terence ___
- Abolish (with ''out'')
- 49-cent purchase
- 37-cent purchase
- 33-center
- 25-cent item
- 20¢ item featuring Gen. Marshall
- "Forever" post office product
- ___ out (abolish)
- ___ Act: 1765