Related Clues:

• Way to order shots?
• Envelope stick-on
• Place to stick a needle
• Perforation site
• Mailing need
• Contents of a sleeve
• If it's canceled, it's accepted
• Commemorative book
• Collection holder, perhaps
• Forever ___
• An e-mail doesn't need one
• Rock collection?
• Corner piece?
• Notary public's device
• "Forever" post office product